Caldas de São Jorge e Pigeiros 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

Santa Maria da Feira Santa Maria da Feira () is a city and a municipality in Aveiro District in Portugal, 23 km from central Porto. The population in 2011 was 139,309,Caldas de São Jorge Caldas de São Jorge is a former civil parish in the municipality of Santa Maria da Feira Santa Maria da Feira () is a city and a municipality in Aveiro District in Portugal, 23 km from central Porto. The population in 2011 was 139,309,

and

Pigeiros Pigeiros is a former civil parish in the municipality of Santa Maria da Feira, Portugal. In 2013, the parish merged into the new parish Caldas de São Jorge e Pigeiros Caldas de São Jorge e Pigeiros is a civil parish in the municipality of Santa ...

. The population in 2011 was 3,897,Instituto Nacional de Estatística (INE)
Census 2011 results according to the 2013 administrative division of Portugal in an area of 10.64 km².Eurostat

References

Freguesias of Santa Maria da Feira {{Aveiro-geo-stub