The town of Trun has a population of 3 000 inhabitants and is located 47 km northwest of Pernik. The town is a municipal administrative centre with 51 settlements. Trun is a mountainous resort. There are archeological findings within the territory of the municipality dating from the Neolith, the Bronze Age and the Ancient Times. The town of Trun enters the limits of Bulgaria in IX century. During XV-XVII the settlement is mentioned in the Ottoman registry books.

Tourist sights are: the churches "St. Petka" from 1853, "St. Nikolai" from 1856, the "Saint Archangel Michael" Monastery in Trun and the Erma River Defile.