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 from the municipal seat and 16 kilometres from Coimbra.
Conímbriga is a walled urban settlement, encircled by a curtain of stone structures approximately 1,500 metres long. Entrance to the settlement is made from vaulted structures consisting of two doors, at one time defended by two towers. The walls are paralleled by two passages, channelled to excavations, that remove water infiltration from the walls. The urban settlement consists of various structures, including a forum, basilica and commercial shops, thermal spas, aqueducts, insulae, homes of various heights and domus, in addition to a paleo-Christian basilica.
A visitors' centre was constructed to display objects found by archaeologists during their excavations, including coins, surgical tools, utensils and ceramics.