Conímbriga is one of the largest Roman settlements excavated in Portugal, and was classified as a National Monument in 1910. Located in the civil parish of Condeixa-a-Velha e Condeixa-a-Nova, in the municipality of Condeixa-a-Nova, it is situated 2 kilometres (1.2 mi) from the municipal seat and 16 kilometres (9.9 mi) from Coimbra (the Roman town of Aeminium).Conímbriga is a walled urban settlement, encircled by a curtain of stone structures approximately 1,500 metres (4,900 ft) long.