The Church of Nossa Senhora da Anunciação is a 12th-century church and former mosque in the civil parish of Mértola in the municipality of Mértola, in the Portuguese Alentejo.
Wikipedia https://en.wikipedia.org/wiki/Church_of_Nossa_Senhora_da_Anunciação
Address 3 Rua Dom Sancho Ii, Mértola 7750350, Portugal
Coordinates 37°38'18.403" N -7°39'48.971" E
