Agios Konstantinos is a town and former municipality in Phthiotida (Phthiotis

Phthiotis

Phthiotis is one of the regional units of Greece. It is part of the administrative region of Central Greece. The capital is the city of Lamia. It is bordered by the Malian Gulf to the east, Boeotia in the south, Phocis in the south, Aetolia-Acarnania in the southwest, Evrytania in the west,...

), Greece

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

. After the 2011 administrative division reforms it became part of the municipality of Molos-Agios Konstantinos and it is now ranked as a municipal unit. Its population was 3,410 in 2001.

The town has a harbor with a regular ferry-boat connection to the islands of Skiathos

Skiathos

Skiathos is a small Greek island in the northwest Aegean Sea. Skiathos is the westernmost island in the Northern Sporades group, east of the Pelion peninsula in Magnesia on the mainland, and west of the island of Skopelos.-Geography:...

, Skopelos

Skopelos

Skopelos , ancient Peparethos or Peparethus , is a Greek island in the western Aegean Sea. Skopelos is one of several islands which comprise the Northern Sporades island group. The island is located east of mainland Greece, northeast of the island of Euboea and is part of the Thessaly Periphery....

 and Alonnisos. These islands are part of the Northern Sporades

Sporades

The Sporades are an archipelago along the east coast of Greece, northeast of the island of Euboea, in the Aegean Sea. It consists of 24 islands, of which four are permanently inhabited: Alonnisos, Skiathos, Skopelos and Skyros.-Administration:...

 archipelago

Archipelago

An archipelago , sometimes called an island group, is a chain or cluster of islands. The word archipelago is derived from the Greek ἄρχι- – arkhi- and πέλαγος – pélagos through the Italian arcipelago...

.