Wander, at your own risk, among the walls, crumbling turrets, and caves, and look out toward the surrounding islands of Mykonos and Andros.
Mykonos and Andros surround the area. 
mnli hypothesis: Mykonos and Andros surround the area.  premise: Wander, at your own risk, among the walls, crumbling turrets, and caves, and look out toward the surrounding islands of Mykonos and Andros.