Istanbul Ulasim operates a bus from İstanbul to Alexandroupoli every 5 minutes. Tickets cost $1 and the journey takes 12 min. 4 other operators also service this route.
How to get from Turkey to Alexandroupoli
From Aksaray Metro to Istanbul Otogar then bus to Alexandroupoli. 6 h 22 min 57 ₺. From İstanbul drive to Alexandroupoli. 3 h 49 min 208 ₺. From Aksaray Metro to Istanbul airport, fly to Canakkale airport, bus to Keşan, then bus to Alexandroupoli. 7 h 52 min 427 ₺.