Tran is located in a mountainous region, close to the border with Serbia and to the nearby towns Breznik and Dragoman.

After the defeat of the Thracian tribes from the Roman Empire, they were subjected to assimilation, and in Tran region the Latin language was used and they subsequently either acquired and maintained Vlach self-consciousness, or became Slavicized.

Tran region is in the middle of two large Slavic tribes that settled in the Balkans and gave the names of the rivers - Strumi and Moravians.

Life in Antiquity at the present city is documented only by the discovered ancient tomb and by found Roman coins from the IV century.

During the First Bulgarian Kingdom, under King Samuel, as a famous historical figure stands out as the boyar Krakra Pernishki, who was entrusted with the lands in Pernik, Sofia and Tran.

The boyar put up fierce resistance to Emperor Basil II for more than 10 years, but nevertheless, in 1018 this area, together with the rest of Bulgaria, came under Byzantine rule.

An Ayan of Breznik, Kara Feizi, in the area of Tran, one of the most successful Kardzhali leaders persecuted the local population.

The Neuilly-sur-Seine Treaty had severe consequences for Tran, with which a large number of settlements were separated from the district and given to Serbia, and others such as Vrabcha, Strezimirovtsi, Bankya (village) and Petachintsi, are literally halved, and even today you can see the houses through which the border passes, dividing them into two - divided yards, cemeteries, as well as many families.