Adio Tours is a bus company based in Vladičin Han, Serbia but they have also opened another office in Belgrade across the main bus station. This bus company currently connects Serbia (Belgrade) with Kosovo (Prishtina, Prizren, Dragash) and there are three departure daily from Belgrade and Dragash and vice versa. They also have a line Gracanica-Nis which has two daily departures.
How to recognize their buses?
Adio Tours buses are plain white with blue bus company logo placed on each side of the bus.