1,618 apartments for rent in Friedrichshain

1,618 apartments in Friedrichshain found

    2 bedrooms apartment of 62.0 m² - Cozy living space
    2 bedrooms apartment of 62.0 m² - Stylish comfort
    2 bedrooms apartment of 62.0 m² - Your new rental home
    2 bedrooms apartment of 62.0 m² - Excellent rental offer
    2 bedrooms apartment of 62.0 m² - Well-planned
    2 bedrooms apartment of 62.0 m² - Bright interior
    2 bedrooms apartment of 62.0 m² - Efficient space
    2 bedrooms apartment of 62.0 m² - Clever design
    2 bedrooms apartment of 62.0 m² - Ready for rent
    2 bedrooms apartment of 62.0 m² - Airy feel
    2 bedrooms apartment of 62.0 m² - Cozy living space
    2 bedrooms apartment of 62.0 m² - Stylish comfort
    2 bedrooms apartment of 62.0 m² - Your new rental home

    2 rooms apartment of 62m²

    Karl-Marx-Allee 58, 10243 Berlin, Germany

    1.500 € / month

    1 bedroom apartment of 35.0 m² - Cozy living space
    1 bedroom apartment of 35.0 m² - Stylish comfort
    1 bedroom apartment of 35.0 m² - Your new rental home
    1 bedroom apartment of 35.0 m² - Excellent rental offer
    1 bedroom apartment of 35.0 m² - Well-planned
    1 bedroom apartment of 35.0 m² - Bright interior
    1 bedroom apartment of 35.0 m² - Efficient space
    1 bedroom apartment of 35.0 m² - Clever design
    1 bedroom apartment of 35.0 m² - Ready for rent
    1 bedroom apartment of 35.0 m² - Airy feel
    1 bedroom apartment of 35.0 m² - Cozy living space
    1 bedroom apartment of 35.0 m² - Stylish comfort
    1 bedroom apartment of 35.0 m² - Your new rental home
    1 bedroom apartment of 35.0 m² - Excellent rental offer
    1 bedroom apartment of 35.0 m² - Well-planned
    1 bedroom apartment of 35.0 m² - Bright interior
    1 bedroom apartment of 35.0 m² - Efficient space
    1 bedroom apartment of 35.0 m² - Clever design
    1 bedroom apartment of 35.0 m² - Ready for rent
    1 bedroom apartment of 35.0 m² - Airy feel
    1 bedroom apartment of 35.0 m² - Cozy living space
    1 bedroom apartment of 35.0 m² - Stylish comfort
    1 bedroom apartment of 35.0 m² - Your new rental home
    1 bedroom apartment of 35.0 m² - Excellent rental offer
    1 bedroom apartment of 35.0 m² - Well-planned

    1 room apartment of 35m²

    Alt-Stralau 13, 10245 Berlin, Germany

    1.650 € / month

    1 bedroom apartment of 44.0 m² - Cozy living space
    1 bedroom apartment of 44.0 m² - Stylish comfort
    1 bedroom apartment of 44.0 m² - Your new rental home
    1 bedroom apartment of 44.0 m² - Excellent rental offer
    1 bedroom apartment of 44.0 m² - Well-planned
    1 bedroom apartment of 44.0 m² - Bright interior
    1 bedroom apartment of 44.0 m² - Efficient space
    1 bedroom apartment of 44.0 m² - Clever design
    1 bedroom apartment of 44.0 m² - Ready for rent
    1 bedroom apartment of 44.0 m² - Airy feel
    1 bedroom apartment of 44.0 m² - Cozy living space
    1 bedroom apartment of 44.0 m² - Stylish comfort
    1 bedroom apartment of 44.0 m² - Your new rental home
    1 bedroom apartment of 44.0 m² - Excellent rental offer
    1 bedroom apartment of 44.0 m² - Well-planned
    1 bedroom apartment of 44.0 m² - Bright interior

    1 room apartment of 44m²

    Schreinerstraße 37, 10247 Berlin, Germany

    1.249 € / month

    1 bedroom apartment of 38.0 m² - Cozy living space
    1 bedroom apartment of 38.0 m² - Stylish comfort
    1 bedroom apartment of 38.0 m² - Your new rental home
    1 bedroom apartment of 38.0 m² - Excellent rental offer
    1 bedroom apartment of 38.0 m² - Well-planned
    1 bedroom apartment of 38.0 m² - Bright interior
    1 bedroom apartment of 38.0 m² - Efficient space
    1 bedroom apartment of 38.0 m² - Clever design
    1 bedroom apartment of 38.0 m² - Ready for rent
    1 bedroom apartment of 38.0 m² - Airy feel
    1 bedroom apartment of 38.0 m² - Cozy living space
    1 bedroom apartment of 38.0 m² - Stylish comfort
    1 bedroom apartment of 38.0 m² - Your new rental home
    1 bedroom apartment of 38.0 m² - Excellent rental offer
    1 bedroom apartment of 38.0 m² - Well-planned
    1 bedroom apartment of 38.0 m² - Bright interior
    1 bedroom apartment of 38.0 m² - Efficient space
    1 bedroom apartment of 38.0 m² - Clever design

    1 room apartment of 38m²

    Barnimstraße 12, 10249 Berlin, Germany

    1.250 € / month

    1 bedroom apartment of 60.0 m² - Cozy living space
    1 bedroom apartment of 60.0 m² - Stylish comfort
    1 bedroom apartment of 60.0 m² - Your new rental home
    1 bedroom apartment of 60.0 m² - Excellent rental offer
    1 bedroom apartment of 60.0 m² - Well-planned
    1 bedroom apartment of 60.0 m² - Bright interior
    1 bedroom apartment of 60.0 m² - Efficient space
    1 bedroom apartment of 60.0 m² - Clever design
    1 bedroom apartment of 60.0 m² - Ready for rent
    1 bedroom apartment of 60.0 m² - Airy feel
    1 bedroom apartment of 60.0 m² - Cozy living space
    1 bedroom apartment of 60.0 m² - Stylish comfort
    1 bedroom apartment of 60.0 m² - Your new rental home
    1 bedroom apartment of 60.0 m² - Excellent rental offer
    1 bedroom apartment of 60.0 m² - Well-planned
    1 bedroom apartment of 60.0 m² - Bright interior
    1 bedroom apartment of 60.0 m² - Efficient space
    1 bedroom apartment of 60.0 m² - Clever design
    1 bedroom apartment of 60.0 m² - Ready for rent
    1 bedroom apartment of 60.0 m² - Airy feel
    1 bedroom apartment of 60.0 m² - Cozy living space
    1 bedroom apartment of 60.0 m² - Stylish comfort
    1 bedroom apartment of 60.0 m² - Your new rental home
    1 bedroom apartment of 60.0 m² - Excellent rental offer
    1 bedroom apartment of 60.0 m² - Well-planned

    1 room apartment of 60m²

    Liebigstraße 3B, 10247 Berlin, Germany

    1.890 € / month

    2 bedrooms apartment of 92.0 m² - Cozy living space
    2 bedrooms apartment of 92.0 m² - Stylish comfort
    2 bedrooms apartment of 92.0 m² - Your new rental home
    2 bedrooms apartment of 92.0 m² - Excellent rental offer
    2 bedrooms apartment of 92.0 m² - Well-planned
    2 bedrooms apartment of 92.0 m² - Bright interior
    2 bedrooms apartment of 92.0 m² - Efficient space
    2 bedrooms apartment of 92.0 m² - Clever design
    2 bedrooms apartment of 92.0 m² - Ready for rent
    2 bedrooms apartment of 92.0 m² - Airy feel
    2 bedrooms apartment of 92.0 m² - Cozy living space
    2 bedrooms apartment of 92.0 m² - Stylish comfort
    2 bedrooms apartment of 92.0 m² - Your new rental home
    2 bedrooms apartment of 92.0 m² - Excellent rental offer
    2 bedrooms apartment of 92.0 m² - Well-planned
    2 bedrooms apartment of 92.0 m² - Bright interior
    2 bedrooms apartment of 92.0 m² - Efficient space
    2 bedrooms apartment of 92.0 m² - Clever design
    2 bedrooms apartment of 92.0 m² - Ready for rent
    2 bedrooms apartment of 92.0 m² - Airy feel
    2 bedrooms apartment of 92.0 m² - Cozy living space
    2 bedrooms apartment of 92.0 m² - Stylish comfort
    2 bedrooms apartment of 92.0 m² - Your new rental home
    2 bedrooms apartment of 92.0 m² - Excellent rental offer
    2 bedrooms apartment of 92.0 m² - Well-planned

    2 rooms apartment of 92m²

    Hausburgstraße 10, 10249 Berlin, Germany

    2.240 € / month

    4 bedrooms apartment of 28.77 m² - Cozy living space
    4 bedrooms apartment of 28.77 m² - Stylish comfort
    4 bedrooms apartment of 28.77 m² - Your new rental home
    4 bedrooms apartment of 28.77 m² - Excellent rental offer
    4 bedrooms apartment of 28.77 m² - Well-planned
    4 bedrooms apartment of 28.77 m² - Bright interior
    4 bedrooms apartment of 28.77 m² - Efficient space
    4 bedrooms apartment of 28.77 m² - Clever design

    4 rooms apartment of 29m²

    Boxi Spätshop, Boxhagener Straße, 10245 Berlin, Germany

    715 € / month

    2 bedrooms apartment of 54.0 m² - Cozy living space
    2 bedrooms apartment of 54.0 m² - Stylish comfort
    2 bedrooms apartment of 54.0 m² - Your new rental home
    2 bedrooms apartment of 54.0 m² - Excellent rental offer
    2 bedrooms apartment of 54.0 m² - Well-planned
    2 bedrooms apartment of 54.0 m² - Bright interior
    2 bedrooms apartment of 54.0 m² - Efficient space
    2 bedrooms apartment of 54.0 m² - Clever design
    2 bedrooms apartment of 54.0 m² - Ready for rent
    2 bedrooms apartment of 54.0 m² - Airy feel

    2 rooms apartment of 54m²

    Rigaer Straße 66, 10247 Berlin, Germany

    1.890 € / month

    1 bedroom apartment of 65.0 m² - Cozy living space
    1 bedroom apartment of 65.0 m² - Stylish comfort
    1 bedroom apartment of 65.0 m² - Your new rental home
    1 bedroom apartment of 65.0 m² - Excellent rental offer
    1 bedroom apartment of 65.0 m² - Well-planned
    1 bedroom apartment of 65.0 m² - Bright interior
    1 bedroom apartment of 65.0 m² - Efficient space
    1 bedroom apartment of 65.0 m² - Clever design
    1 bedroom apartment of 65.0 m² - Ready for rent
    1 bedroom apartment of 65.0 m² - Airy feel
    1 bedroom apartment of 65.0 m² - Cozy living space
    1 bedroom apartment of 65.0 m² - Stylish comfort
    1 bedroom apartment of 65.0 m² - Your new rental home
    1 bedroom apartment of 65.0 m² - Excellent rental offer
    1 bedroom apartment of 65.0 m² - Well-planned
    1 bedroom apartment of 65.0 m² - Bright interior
    1 bedroom apartment of 65.0 m² - Efficient space
    1 bedroom apartment of 65.0 m² - Clever design
    1 bedroom apartment of 65.0 m² - Ready for rent
    1 bedroom apartment of 65.0 m² - Airy feel
    1 bedroom apartment of 65.0 m² - Cozy living space

    1 room apartment of 65m²

    Oderstraße 1, 10247 Berlin, Germany

    6.000 € / month

    1 bedroom apartment of 37.0 m² - Cozy living space
    1 bedroom apartment of 37.0 m² - Stylish comfort
    1 bedroom apartment of 37.0 m² - Your new rental home
    1 bedroom apartment of 37.0 m² - Excellent rental offer
    1 bedroom apartment of 37.0 m² - Well-planned
    1 bedroom apartment of 37.0 m² - Bright interior
    1 bedroom apartment of 37.0 m² - Efficient space
    1 bedroom apartment of 37.0 m² - Clever design

    1 room apartment of 37m²

    Finowstraße 39, 10247 Berlin, Germany

    1.390 € / month

    2 bedrooms apartment of 63.0 m² - Cozy living space
    2 bedrooms apartment of 63.0 m² - Stylish comfort
    2 bedrooms apartment of 63.0 m² - Your new rental home
    2 bedrooms apartment of 63.0 m² - Excellent rental offer
    2 bedrooms apartment of 63.0 m² - Well-planned
    2 bedrooms apartment of 63.0 m² - Bright interior
    2 bedrooms apartment of 63.0 m² - Efficient space
    2 bedrooms apartment of 63.0 m² - Clever design
    2 bedrooms apartment of 63.0 m² - Ready for rent
    2 bedrooms apartment of 63.0 m² - Airy feel
    2 bedrooms apartment of 63.0 m² - Cozy living space

    2 rooms apartment of 63m²

    Beatbox, Mühsamstraße 48, 10249 Berlin, Germany

    1.680 € / month

    3 bedrooms apartment of 60.0 m² - Cozy living space
    3 bedrooms apartment of 60.0 m² - Stylish comfort
    3 bedrooms apartment of 60.0 m² - Your new rental home
    3 bedrooms apartment of 60.0 m² - Excellent rental offer
    3 bedrooms apartment of 60.0 m² - Well-planned
    3 bedrooms apartment of 60.0 m² - Bright interior
    3 bedrooms apartment of 60.0 m² - Efficient space
    3 bedrooms apartment of 60.0 m² - Clever design
    3 bedrooms apartment of 60.0 m² - Ready for rent
    3 bedrooms apartment of 60.0 m² - Airy feel
    3 bedrooms apartment of 60.0 m² - Cozy living space

    3 rooms apartment of 60m²

    Bossestraße 6B, 10245 Berlin, Germany

    1.600 € / month

    2 bedrooms apartment of 94.79 m² - Cozy living space
    2 bedrooms apartment of 94.79 m² - Stylish comfort
    2 bedrooms apartment of 94.79 m² - Your new rental home
    2 bedrooms apartment of 94.79 m² - Excellent rental offer
    2 bedrooms apartment of 94.79 m² - Well-planned
    2 bedrooms apartment of 94.79 m² - Bright interior
    2 bedrooms apartment of 94.79 m² - Efficient space
    2 bedrooms apartment of 94.79 m² - Clever design
    2 bedrooms apartment of 94.79 m² - Ready for rent
    2 bedrooms apartment of 94.79 m² - Airy feel
    2 bedrooms apartment of 94.79 m² - Cozy living space
    2 bedrooms apartment of 94.79 m² - Stylish comfort
    2 bedrooms apartment of 94.79 m² - Your new rental home
    2 bedrooms apartment of 94.79 m² - Excellent rental offer
    2 bedrooms apartment of 94.79 m² - Well-planned
    2 bedrooms apartment of 94.79 m² - Bright interior
    2 bedrooms apartment of 94.79 m² - Efficient space
    2 bedrooms apartment of 94.79 m² - Clever design
    2 bedrooms apartment of 94.79 m² - Ready for rent

    2 rooms apartment of 95m²

    Lenbachstraße 22, 10245 Berlin, Germany

    2.500 € / month

    1 bedroom apartment of 38.0 m² - Cozy living space
    1 bedroom apartment of 38.0 m² - Stylish comfort
    1 bedroom apartment of 38.0 m² - Your new rental home
    1 bedroom apartment of 38.0 m² - Excellent rental offer
    1 bedroom apartment of 38.0 m² - Well-planned
    1 bedroom apartment of 38.0 m² - Bright interior

    1 room apartment of 38m²

    KEIT Friedrichshain, Grünberger Straße, 10245 Berlin, Germany

    1.200 € / month

    4 bedrooms apartment of 82.0 m² - Cozy living space
    4 bedrooms apartment of 82.0 m² - Stylish comfort
    4 bedrooms apartment of 82.0 m² - Your new rental home
    4 bedrooms apartment of 82.0 m² - Excellent rental offer
    4 bedrooms apartment of 82.0 m² - Well-planned
    4 bedrooms apartment of 82.0 m² - Bright interior
    4 bedrooms apartment of 82.0 m² - Efficient space
    4 bedrooms apartment of 82.0 m² - Clever design
    4 bedrooms apartment of 82.0 m² - Ready for rent
    4 bedrooms apartment of 82.0 m² - Airy feel
    4 bedrooms apartment of 82.0 m² - Cozy living space
    4 bedrooms apartment of 82.0 m² - Stylish comfort
    4 bedrooms apartment of 82.0 m² - Your new rental home
    4 bedrooms apartment of 82.0 m² - Excellent rental offer
    4 bedrooms apartment of 82.0 m² - Well-planned
    4 bedrooms apartment of 82.0 m² - Bright interior
    4 bedrooms apartment of 82.0 m² - Efficient space
    4 bedrooms apartment of 82.0 m² - Clever design
    4 bedrooms apartment of 82.0 m² - Ready for rent
    4 bedrooms apartment of 82.0 m² - Airy feel

    4 rooms apartment of 82m²

    Mühsamstraße 67, 10249 Berlin, Germany

    2.100 € / month

    4 bedrooms apartment of 54.0 m² - Cozy living space
    4 bedrooms apartment of 54.0 m² - Stylish comfort
    4 bedrooms apartment of 54.0 m² - Your new rental home
    4 bedrooms apartment of 54.0 m² - Excellent rental offer
    4 bedrooms apartment of 54.0 m² - Well-planned
    4 bedrooms apartment of 54.0 m² - Bright interior
    4 bedrooms apartment of 54.0 m² - Efficient space
    4 bedrooms apartment of 54.0 m² - Clever design
    4 bedrooms apartment of 54.0 m² - Ready for rent
    4 bedrooms apartment of 54.0 m² - Airy feel
    4 bedrooms apartment of 54.0 m² - Cozy living space
    4 bedrooms apartment of 54.0 m² - Stylish comfort
    4 bedrooms apartment of 54.0 m² - Your new rental home
    4 bedrooms apartment of 54.0 m² - Excellent rental offer
    4 bedrooms apartment of 54.0 m² - Well-planned
    4 bedrooms apartment of 54.0 m² - Bright interior
    4 bedrooms apartment of 54.0 m² - Efficient space
    4 bedrooms apartment of 54.0 m² - Clever design

    4 rooms apartment of 54m²

    Simon-Dach-Straße, 10245 Berlin, Germany

    1.390 € / month

    2 bedrooms apartment of 67.0 m² - Cozy living space
    2 bedrooms apartment of 67.0 m² - Stylish comfort
    2 bedrooms apartment of 67.0 m² - Your new rental home
    2 bedrooms apartment of 67.0 m² - Excellent rental offer
    2 bedrooms apartment of 67.0 m² - Well-planned
    2 bedrooms apartment of 67.0 m² - Bright interior
    2 bedrooms apartment of 67.0 m² - Efficient space
    2 bedrooms apartment of 67.0 m² - Clever design
    2 bedrooms apartment of 67.0 m² - Ready for rent
    2 bedrooms apartment of 67.0 m² - Airy feel
    2 bedrooms apartment of 67.0 m² - Cozy living space
    2 bedrooms apartment of 67.0 m² - Stylish comfort
    2 bedrooms apartment of 67.0 m² - Your new rental home
    2 bedrooms apartment of 67.0 m² - Excellent rental offer
    2 bedrooms apartment of 67.0 m² - Well-planned
    2 bedrooms apartment of 67.0 m² - Bright interior
    2 bedrooms apartment of 67.0 m² - Efficient space
    2 bedrooms apartment of 67.0 m² - Clever design
    2 bedrooms apartment of 67.0 m² - Ready for rent
    2 bedrooms apartment of 67.0 m² - Airy feel
    2 bedrooms apartment of 67.0 m² - Cozy living space

    2 rooms apartment of 67m²

    Boxhagener Straße 75, 10245 Berlin, Germany

    2.500 € / month

    1 bedroom apartment of 60.0 m² - Cozy living space
    1 bedroom apartment of 60.0 m² - Stylish comfort
    1 bedroom apartment of 60.0 m² - Your new rental home
    1 bedroom apartment of 60.0 m² - Excellent rental offer
    1 bedroom apartment of 60.0 m² - Well-planned
    1 bedroom apartment of 60.0 m² - Bright interior
    1 bedroom apartment of 60.0 m² - Efficient space
    1 bedroom apartment of 60.0 m² - Clever design
    1 bedroom apartment of 60.0 m² - Ready for rent
    1 bedroom apartment of 60.0 m² - Airy feel
    1 bedroom apartment of 60.0 m² - Cozy living space
    1 bedroom apartment of 60.0 m² - Stylish comfort
    1 bedroom apartment of 60.0 m² - Your new rental home
    1 bedroom apartment of 60.0 m² - Excellent rental offer
    1 bedroom apartment of 60.0 m² - Well-planned
    1 bedroom apartment of 60.0 m² - Bright interior
    1 bedroom apartment of 60.0 m² - Efficient space
    1 bedroom apartment of 60.0 m² - Clever design
    1 bedroom apartment of 60.0 m² - Ready for rent
    1 bedroom apartment of 60.0 m² - Airy feel
    1 bedroom apartment of 60.0 m² - Cozy living space
    1 bedroom apartment of 60.0 m² - Stylish comfort
    1 bedroom apartment of 60.0 m² - Your new rental home
    1 bedroom apartment of 60.0 m² - Excellent rental offer
    1 bedroom apartment of 60.0 m² - Well-planned

    1 room apartment of 60m²

    Mühlenstraße 22, 10243 Berlin, Germany

    2.440 € / month

    2 bedrooms apartment of 160.0 m² - Cozy living space
    2 bedrooms apartment of 160.0 m² - Stylish comfort
    2 bedrooms apartment of 160.0 m² - Your new rental home
    2 bedrooms apartment of 160.0 m² - Excellent rental offer
    2 bedrooms apartment of 160.0 m² - Well-planned
    2 bedrooms apartment of 160.0 m² - Bright interior
    2 bedrooms apartment of 160.0 m² - Efficient space
    2 bedrooms apartment of 160.0 m² - Clever design
    2 bedrooms apartment of 160.0 m² - Ready for rent

    2 rooms apartment of 160m²

    Fredersdorfer Straße 10, 10243 Berlin, Germany

    4.600 € / month

    1 bedroom apartment of 90.0 m² - Cozy living space
    1 bedroom apartment of 90.0 m² - Stylish comfort
    1 bedroom apartment of 90.0 m² - Your new rental home
    1 bedroom apartment of 90.0 m² - Excellent rental offer
    1 bedroom apartment of 90.0 m² - Well-planned
    1 bedroom apartment of 90.0 m² - Bright interior
    1 bedroom apartment of 90.0 m² - Efficient space
    1 bedroom apartment of 90.0 m² - Clever design
    1 bedroom apartment of 90.0 m² - Ready for rent
    1 bedroom apartment of 90.0 m² - Airy feel
    1 bedroom apartment of 90.0 m² - Cozy living space
    1 bedroom apartment of 90.0 m² - Stylish comfort
    1 bedroom apartment of 90.0 m² - Your new rental home
    1 bedroom apartment of 90.0 m² - Excellent rental offer
    1 bedroom apartment of 90.0 m² - Well-planned
    1 bedroom apartment of 90.0 m² - Bright interior
    1 bedroom apartment of 90.0 m² - Efficient space
    1 bedroom apartment of 90.0 m² - Clever design
    1 bedroom apartment of 90.0 m² - Ready for rent
    1 bedroom apartment of 90.0 m² - Airy feel
    1 bedroom apartment of 90.0 m² - Cozy living space

    1 room apartment of 90m²

    Barber Shop, Friedenstraße, 10249 Berlin, Germany

    2.770 € / month

    1 bedroom apartment of 93.26 m² - Cozy living space
    1 bedroom apartment of 93.26 m² - Stylish comfort
    1 bedroom apartment of 93.26 m² - Your new rental home
    1 bedroom apartment of 93.26 m² - Excellent rental offer
    1 bedroom apartment of 93.26 m² - Well-planned
    1 bedroom apartment of 93.26 m² - Bright interior
    1 bedroom apartment of 93.26 m² - Efficient space
    1 bedroom apartment of 93.26 m² - Clever design
    1 bedroom apartment of 93.26 m² - Ready for rent
    1 bedroom apartment of 93.26 m² - Airy feel
    1 bedroom apartment of 93.26 m² - Cozy living space
    1 bedroom apartment of 93.26 m² - Stylish comfort
    1 bedroom apartment of 93.26 m² - Your new rental home
    1 bedroom apartment of 93.26 m² - Excellent rental offer
    1 bedroom apartment of 93.26 m² - Well-planned
    1 bedroom apartment of 93.26 m² - Bright interior
    1 bedroom apartment of 93.26 m² - Efficient space
    1 bedroom apartment of 93.26 m² - Clever design
    1 bedroom apartment of 93.26 m² - Ready for rent

    1 room apartment of 93m²

    Hafenvorfahrt, 10245 Berlin, Germany

    1.900 € / month

Other property types in Friedrichshain