gua de Pau is a civil parish which is the third-level administrative subdivision of Portugal, as defined by the 1976 Constitution.
Agua de Pau is a civil parish in the municipality of Lagoa in the Portuguese archipelago of the Azores. Freguesia (Portuguese pronunciation: [fzi.), usually translated as "parish" or "civil parish", is the third-level administrative subdivision of Portugal, as defined by the 1976 Constitution. 
