Isla Mayor, in Andalusia, is part of the province of Seville. The municipality covers about 112.5 km² and had 5,748 inhabitants on 1 January 2025.
Population density is about 51 per km²: a partly rural municipality, with a main town and scattered villages or developments. Of the 64 municipalities in the province of Seville with at least 5,000 inhabitants, it is number 57 by population.
As the crow flies it lies about 37 km south-west of Seville, the provincial capital. The nearest major city is Seville, about 35 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Weekend in Seville (35 km), Cities of Andalusia (35 km), Seville (35 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Isla Mayor; all the municipalities in the province of Seville are listed on their own page.