Idrija is a town in Slovenia, known for its rich history and cultural heritage. It is famous for the Idrija Mercury Mine, a UNESCO World Heritage site, which was one of the largest mercury mines in the world. The town's unique architecture and traditional lace-making craft, known as Idrija Lace, attract visitors interested in local culture. The surrounding area features beautiful natural landscapes, including the Idrija Hills and the Soča River. Idrija is also home to various historical landmarks, such as the Church of St. Jacob and the Idrija Municipal Museum, which showcase the town's mining history and local traditions.