Ermidas-Sado is a

civil parish In England, a civil parish is a type of administrative parish used for local government. It is a territorial designation which is the lowest tier of local government below districts and counties, or their combined form, the unitary authority ...

in the municipality of

Santiago do Cacém Santiago do Cacém ( or ) is a municipality in Setúbal District in Portugal. The population in 2011 was 29,749, in an area of 1059.69 km2. The present mayor is Álvaro Beijinha, elected by the Unitary Democratic Coalition. The municipal holi ...

, Portugal. The population in 2011 was 2,020,Instituto Nacional de Estatística (INE)
Census 2011 results according to the 2013 administrative division of Portugal in an area of 82.40 km².

References

Freguesias of Santiago do Cacém {{Setúbal-geo-stub