 Casa Sommer, Exhibition and documentation centre in Cascais, Portugal | |
  Location within Portugal | |
| Established | 2016 |
|---|---|
| Location | Av. da República, 132, Cascais, Portugal |
| Coordinates | 38°41′42″N 9°25′26″W / 38.6949°N 9.4239°W |
Casa Sommer is a building in Cascais, on the Portuguese Riviera, which houses the Cascais Municipal Historical Archive and a branch of the Cascais Municipal Library, hosting collections pertaining to the town's archaeological, architectural, historical and cultural heritage. Built as the residence of entrepreneur Henrique de Sommer, Casa Sommer is a noted example of Summer architecture.