Ríos is a municipality in the Galicia region of northwestern Spain, situated in the province of Ourense near the Portuguese border. The area belongs to the historical and cultural territory of Galicia, the region from which the Ríos surname is said to have originated.
The name Ríos derives from the Spanish word "rio," meaning "river," and the surname is a local surname, indicating that its original bearer once lived, held land, or was born in northwestern Spain. Historians believe the Ríos family descended from the Royal House of Asturias and King Liuvigild's dynasty, and by the Middle Ages such names denoted proprietorship of a village or estate.
The source material documents the Ríos surname rather than the town itself, so only these well-established details about the name and its Galician origins can be stated. No further particulars about the municipality's population, landmarks, or history are provided.