The railway line is a very important corridor starting from Bulgaria by linking the Caucasus and Central Asia to Europe via İstanbul, Ankara, Sivas, Erzincan, Kars, Tbilisi and Baku.
The railway line is a very important corridor starting from Bulgaria by linking the Caucasus and Central Asia to Europe via İstanbul, Ankara, Sivas, Erzincan, Kars, Tbilisi and Baku.