The Sierra de Andújar is a mountain range located in the province of Jaén, Spain. It is part of the larger Sierra Morena system and is known for its diverse ecosystems, including Mediterranean forests and various wildlife species. The area is also home to the Andújar Natural Park, which protects its rich biodiversity. This region is significant for its historical and cultural heritage, featuring ancient ruins and traditional villages. The Sierra de Andújar is popular for outdoor activities such as hiking, birdwatching, and exploring its scenic landscapes, making it a valuable destination for nature enthusiasts.