Area: 6,697 km2
Coastline length: 25 km
Administrative structure: Region of South Aegean, Prefecture of the Dodecanese, Province of Kalymnos, Municipality of Patmos
Archaeological sites and monuments: Castle of Avgoustini
Natural monuments: Cavern with stalactites and stalagmites. The island has been included in the European network "NATURA 2000"
Religious feasts: Feast on the 9th day from Virgin Mary's ascension (August 23d)