Rio Maior is a municipality in the Santarém District in Portugal.
Wikipedia

Portugal is a southern European country on the Iberian Peninsula, bordering Spain. Its location on the Atlantic Ocean has influenced many aspects of its culture: salt cod and grilled sardines are national dishes, the Algarve's beaches are a major destination and much of the nation?s architecture dates to the 1500s?1800s, when Portugal had a powerful maritime empire.
Wikipedia