Oia is one of the most popular and picturesque towns on the island. An absolute must see during a trip to Santorini. It is located on the north-west edge of the island, at an altitude of 70 to 140 m a.s.l. (230 – 460 feet). Its characteristic white buildings stretch for about 1.5 km (1 mile) along the edge of the cliff over the Armenis Bay.