Oliveira do Hospital is a municipality in the old district of Coimbra, in the central part of continental Portugal. The population in 2011 was 20,855, in an area of 234.52 km². Inhabited by ancient civilizations, Oliveira do Hospital has Roman settlements, Visigothic relics, noble Gothic mansions as well as ancient villages built of slate. One can find Neolithic and Bronze Age burial grounds and genuine religious and rural relics such as the large granite outcroppings used as threshing floors, the Holy Cross Church and the Ferreiros Chapel, a Roman Gothic style temple dating to the 13th century and the Church of Sao Giao, known as the cathedral of its region due to its richly carved and painted 18th century Baroque interior.