Chiprovtsi is a small town in northwestern Bulgaria, administratively part of Montana Province. It lies on the shores of the river Ogosta in the wes…Chiprovtsi is a small town in northwestern Bulgaria, administratively part of Montana Province. It lies on the shores of the river Ogosta in the western Balkan Mountains, very close to the Bulgarian-Serbian border. A town of about 2,000 inhabitants, Chiprovtsi is the administrative centre of Chiprovtsi Municipality that also covers nine nearby villages.