Mediterranean tree frog
The adult male frog is 55 mm long from nose to rear end and the adult female frog is 65 mm long.  It has disks on its toes for climbing.  Its belly is white or almost white.  Its back is green, yellow or green-yellow.  It can change color.  It has two dark stripes, one on each side of its head.  The stripe starts at the nose and goes over the eye and ear to the shoulder.