The Castro de Baroña is an Iron Age fortified settlement located in the parish of Baroña, a municipality of Porto do Son in the province of A Coruña (Galicia, Spain. GPS Co-ordinates: 42°41'41.40"N 9°1'57.10"W). The settlement, surrounded by two walls and containing twenty roundhouses that still remain today, was built on a peninsula and inhabited from the 1st Century BC to the 1st Century AD.