Rtina lies on a small promontory whose northeastern side is located opposite to the Mountain of Velebit, separated from it with the southern part of the Velebit strait (). It is connected by the Pag Bridge with the island of Pag at its northwestern tip. It lies about 5 km northwest from Ražanac, and about 2 km north of templar fortification Ljuba, or Liuba (now Ljubljana).