The Avar company operating from Office 126 at Istanbul's Büyük Otogar (main bus terminal) runs daily buses from Istanbul to Bulgaria, including the towns of Haskovo, Kircali (Kirdzali), Plovdiv, Ruse, Silistra and Sofia.

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Alphabetical List of Destinations

Full List of Offices/Perons & Companies

Istanbul Bus Terminal (Otogar) Homepage