Alcobertas 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 authorit ...

in the municipality of

Rio Maior Rio Maior () is a municipality in the Santarém District in Portugal. The population in 2011 was 21,192, in an area of 272.76 km². The present mayor is Isaura Morais of the Social Democratic Party (PSD), the first woman to be elected mayor ...

, Portugal. The population in 2011 was 1,923,Instituto Nacional de Estatística (INE)
Census 2011 results according to the 2013 administrative division of Portugal in an area of 32.03 km².

References

Freguesias of Rio Maior {{Santarém-geo-stub