What is "lichades"

Lichades or Lichadonisia ( or Λιχαδονήσια) is an island complex in north-east of Euboea, in the North Euboean Gulf. The islands located opposite Lichada cape in the north east extreme of Euboea and opposite of small town Kamena Vourla in Central Greece mainland. Administratively, they belong to Istiaia-Aidipsos municipality, in Euboea regional unit.