Alonissos, commonly Liadromia, is an island of Greece. Located in the Aegean Sea in the group of islands called Sporades.

The total area reaches 64.5 square kilometers and a coastline of about 67 km. Maximum length of about 20 km and a width of 3 to 4.5 km

Separated from the southwest to Skopelos Alonissos Strait, range 2 nautical miles, northeast of the island Pelagonisi the Strait Pelagonisi, range 3.5 nautical miles

The bay Patitirion is the port of the island, where it is connected with the city of Volos, Skiathos, Skopelos, Thessaloniki.

Ikos is the oldest name of Alonissos. He became known in the ancient world for the cultivation of the vine and of fine wine.

The wine exported in amphoras in one of the handles brought inscription IKION.

The name IKOS is clearly attributable to the proto-Hellenic and leader of the proto-Hellenic settled in Alonissos.

The island was a docking station, supplying ships and trade.