Santo António dos Olivais, commonly shortened to Olivais, is an urban civil parish in the municipality of Coimbra in Portugal, making up the eastern part of the historic city of Coimbra, east of University Hill. The population in 2011 was 38,936, in an area of 19.27 km². It is the most populated parish in the Municipality of Coimbra, and among the most densely inhabited in the country outside of Lisbon and Porto metropolitan areas.