Dos Hermanas is a city and municipality located in the autonomous community of Andalusia, Spain. It is situated within the Seville metropolitan area, positioned approximately 15 km (9.3 mi) south of the city of Seville.
As of 2024, the city has a population of 140,463. This demographic size makes it the second-largest municipality in the Province of Seville, the ninth-largest in Andalusia, and the 50th-largest in Spain.