Jaén (Spanish pronunciation: [xaˈen]) is a province of southern Spain, in the eastern part of the autonomous community of Andalusia.

[2] One of the less-known provinces of Spain, compared to the tourist-oriented coast, it has four national parks and many other protected natural areas.

The province also contains two Renaissance cities, Úbeda and Baeza, both recently declared World Heritage Sites by UNESCO.

The province has among the highest concentration of castles in the world outside the Levant, thanks to its strategic position during the Reconquista.

The flag of the province of Jaén was approved by the Provincial Council of Jaén, in the plenary session held on March 3, 2014, and registered in the Andalusian Registry of Local Entities, complying with Law 6/2003, of October 9 of Symbols, Processing and Registration of Andalusian Local Entities.