Kozjak, also known as Mali Kozjak or Primorski Kozjak is a mountain located above the town of Kaštela in Dalmatia, Croatia. It belongs to Dinaric Alps, and stretches from the pass of Klis in the southeast, to the above Split Airport in the northwest. The highest peak is Veli vrj (779 m) above Kaštel Gomilica. Its southern slope is very steep, and northern rock slopes gradually turns to the corrugate plateau of Dalmatian Zagora. Kozjak is mainly composed of karst — limestone rocks.