Varna, located near the shores of the Black Sea, is one of the biggest and most important cities in Bulgaria. Archeological digs near the city found thousands of brass artifacts from 5000 BC, since this is one of the most ancient cities in the world.
The Arda River
This river, whose sources are located up in the Rudophi mountains, is a long and impressive body of water. Along its length are 3 hydraulic dams supplying electricity to the nearby towns.