From city's otogar you will find numerous agents selling tickets to dozens of destinations including Istanbul, Konya, Van, Dogubeyazit, and Antalya to name a few. Buses leave frequently. Shop around for the best price. Bus to Marsin takes 5 hrs and costs 25 TL (http://doublewild.com/201...).
A week in Southeastern Anatolia â A seven-day long itinerary starting and finishing in Gaziantep and drawing a circle in Southeastern Anatolia, touching all major sights of the region.