Tinos is a Greek island situated in the Aegean Sea. It is part of the Cyclades archipelago. The closest islands are Andros, Delos, and Mykonos. It has a land area of 194.464 square kilometres (75.083 sq mi) and a 2021 census population of 8,934 inhabitants.

The Cyclades are an island group in the Aegean Sea, southeast of mainland Greece and a former administrative prefecture of Greece. They are one of the island groups which constitute the Aegean archipelago. The name refers to the archipelago forming a circle around the sacred island of Delos. The largest island of the Cyclades is Naxos, however the most populated is Syros.