Historical data show that here, very close to the beginning of the Balkan Mountains, man has sought a place of residence and refuge in prehistoric times. During the Roman Empire, the city was called Castra Martis. Since the seventh century, it has been within the borders of the medieval Bulgarian state.
During the Ottoman rule, the city was called Adlie. At the end of the 18th and the beginning of the 19th century, settlers from the Teteven region settled here, and to this day the local dialect is strongly influenced by the central Balkan dialect, contrasting with the surrounding transitional and northwestern dialects.
In 1858 Debar masters built the church "St. St. Peter and Paul”. The frescoes are from 1902 - the work of Danail Nestorov, a gift according to the inscription on the image of St. Nicholas from the Dichovi family.
In the early years of the twentieth century, the city was known for its enduring support for the Democratic Party.
During the collectivization in the city a Labor Cooperative Agricultural Farm “Michurin” was established in the name of the Soviet agronomist Ivan Michurin. In 1950 - 1951, 8 families (31 people) from the city were forcibly evicted by the communist regime.
The Vrashka Chuka Nature Reserve, declared a protected area, is located on the territory of the municipality, on the land of the village of Izvor Mahala.
In the centre of the town of Kula are the ruins of the Roman fortress “Castra Martis”, next to which is arranged a museum collection with exhibits found during excavations.
The municipality manages a Center for tourist purposes and places for recreation and entertainment in the town of Kula (tourist dormitory). In the exhibition halls of the centre, there is an ethnographic exhibition with costumes and household items from the Kula region and a picture gallery with works by local and foreign artists.