Tinos is the island of Megalohari (The Virgin Mary). The area of the island is 195 sq. Km, with a population of about 10.000 inhabitants and around 50 villages.

The name of the island is pre-Hellenic and is likely named after the first settler. It has been also correlated with th Phoenician word "Tannoth" that means snake. Tinos was called Ofioussa (Ofis means snake in Greek) for its multitude of snakes which were exterminated by Poseidon, the islands patron and Hydroussa (hydor means water in Greek) for its abundance of water and island of Aeolos for its strong northern winds.

Tinos lies in the Cyclades and the islands around it are:
Andros to the North,
Syros to the West,
Sifnos and Milos to the SW
Mykonos, Delos, Paros, Naxos, Ios, Sikinos, Folegandros and Santorini to the South.