Area: 7,427 km2
Coastline length: 21 km
Population: Uninhabited
Administrative structure: Region of South Aegean, Prefecture of the Dodecanese, Province of Rhodes, Municipality of Chalki
Archaeological sites and monuments: Mediaeval castle, ancient dockyards, Italian barracks
Natural monuments: The island has been included in the European network "NATURA 2000" as a Special Protection Area (SPA)
Religious feasts: On St George's day at the church of St George Arapis