Breznik is a town in western Bulgaria, 50 km away from Sofia. It is located in Pernik Province and is close to the towns of Bankya and Pernik. Vi…Breznik is a town in western Bulgaria, 50 km away from Sofia. It is located in Pernik Province and is close to the towns of Bankya and Pernik. Villages in the municipality include Begunovtsi, Dushintsi, and Velkovtsi.