Kostinbrod is a town in western Bulgaria. It is the seat of Kostinbrod Municipality. It is located 15 km west of the capital city of Sofia. It is located on two important transport corridors: Lom — Sofia — Thessaloniki and Sofia — Belgrade. The international railway line to Western Europe passes through the municipality, with a train stop at Kostinbrod Station.
The town is crossed by two rivers, the Blato in the north and the Belitsa in the south, both tributaries of the Iskar River.
Wikipedia https://en.wikipedia.org/wiki/Kostinbrod
Coordinates 42°48'47.516" N 23°12'56.344" E