Administratively, they belong to Istiaia-Aidipsos municipality, in Euboea regional unit.

The biggest island, Manolia has a beautiful beach and is visited by many tourists in the summer.

[2] Lichades were formed after the huge earthquake of 426 B.C., when the land between them sank in the Euboean Sea.

Hercules hurled him to the sea and from his parts these small islands were formed.

The islands are one of the suggested locations for the Battle of the Echinades (322 BC), which ended Athenian thalassocracy.