The monastery of Aghios Georgios the Gorgolainis (GR: Αγιος Γεώργιος Γοργολαΐνι) is located on an altitude of 400 m close to the Kato Asites village. It survived through several revolutions and wars during the Ottoman occupation.

Historical place with outstanding natural beauty, unspoiled villages and great beaches. The town of Ano Viannos is built amphitheatrically on the southern slopes of Dikti mountain at 560 m. above sea in a distance of 65km from Iraklion and 40km from Ierapetra. It preserves the traditional character with the narrow paved streets, the stone built houses - especially the "Plaka' quarter - the old kefeneios with tables under the plane trees and old churches such as Agios Georgios and Agia Pelagia with wall paintings dating back to the 14th century. There are a few accommodation facilities, banks, medical center, taverns, gas stations, shops etc. Ano Viannos is the seat of the municipality of Viannos.