Osuna is a municipality in Spain, in the province of Seville, in Andalusia. On 1 January 2025 it had 17,396 inhabitants according to the INE municipal register (padrón), over an area of about 591.3 km².
Population density is about 29 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 22 by population.
As the crow flies it lies about 75 km east of Seville, the provincial capital. The nearest major city is Seville, about 80 km away.
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Osuna; all the municipalities in the province of Seville are listed on their own page.