| Bonjour Tristesse | |
| Building Type: | Residential |
| Architect: | Álvaro Siza Vieira |
Bonjour Tristesse (officially referred to as Wohnhaus Schlesisches Tor) is a building in Kreuzberg, a borough of Berlin, designed by architect Álvaro Siza Vieira and completed in 1984.[1] It was the architect's first completed building outside of Portugal. Before the building's construction, the site held several single-story retail stores. The building was constructed as social housing, primarily for Turkish immigrants to Germany.[2] The name of the building translates from French to "Hello Sadness".[3]