Bulgarien : Wichtige Städte

Asenovgrad, Blagoevgrad, Burgas, Dobrich, Gabrovo, Haskovo, Kazanlak, Kyustendil, Pazardzhik, Pernik, Pleven, Plovdiv, Ruse, Shumen, Sliven, Sofia, Stara Zagora, Varna, Veliko Tarnovo, Vidin, Vratsa, Yambol.