Dos Hermanas is a Spanish city 15 km (9.3 miles) south of Sevilla in Andalusia. There were 114,672 residents in 2006. The city's name, which means "Two Sisters", dates from its foundation in 1248 by King Ferdinand III of Castile and honours the sisters of Gonzalo Nazareno, one of the king's principal military commanders. For this reason natives of Dos Hermanas are called nazareños/as.