Distrito de Coimbra
The district of Coimbra is a Portuguese district in the Centro region (Beiras Region, Northern Extremadura and Northern Ribatejo), mostly belonging to the historic province of Beira Litoral, although several municipalities in its eastern part are divided between the provinces Beira Alta and Beira Baixa. It borders on the north with the district of Aveiro and the district of Viseu, on the east with the district of Guarda and on the district of Castelo Branco, on the south with the district of Leiria and on the west with the Atlantic Ocean. It has an area of 3 947 km² (12th largest Portuguese district) and a resident population of 429 714 inhabitants (2011). The district seat is the city with the same name.