Achla & Zorgos sort 4k video! Two of the most beautiful Beaches of Andros island : Achla and Zorgos Beach! Andros is the northernmost island of the Greek Cyclades archipelago, approximately 10 km south east of Euboea, and about 3 km north of Tinos. It is nearly 40 km long, and its greatest breadth is 16 km.