Area: 54.052 km2
Coastline length: 82 km
Island capital and its population: Agia Marina (2,672)Administrative structure: Region of South Aegean, Prefecture of the Dodecaneses, Province of Kalymnos, Municipality of Leros
Local newspapers: Leriaka nea, Pnoi tis Lerou
Local radio stations: Artemis FM (94.4), Leros Private Station (94.8), Free Studio (100.8), Radio Leros (102.5)
Local TV stations: TV 12, TV Leros
Museums: Leros Archaeological Museum, Folklore and Historical Museum "Manolis Hesychos" at Alinda, Ecclesiastical Museum at the Castle, General State Archives of Leros at Platanos, War Museum of Leros, Kandioglou and Antonellos Mansions at Platanos, John Paraponiaris and Tasos Kanaris at Platanos
Archaeological sites and monuments: Pandeli Castle, Ancient acropolis at Xirokambos, Partheni, Early Christian Basilicas
Traditional settlements: Platanos, Agia Marina, Lakki
Natural monuments: The Plaka, Piganousa, Strongili, Mavra, Glaros, Megalo Livadi, Trypiti, Velona, Faradonisia and Glaronisia islets have been declared Areas of Natural Beauty. The Arhaggelos, Faradonisia, Leriko and Mikro Glaronisi, Megalo Glaronisi islets have been included in the European network "NATURA 2000"
Cultural clubs: Youth Cultural Association "Artemis", Leros Theatre Club, Pan-Hellenic Union of Lerians
Events: "Alonaris" festival in Gournas (July 25th), Wine festival in Xirokambos (August 13th), Day of Lerian emmigrants (August 18th), "Leriki Vradia" in Drymonas Park (August 27th), The Trata festival in Pandeli (September 12th), Eve of the battle of Leros (September 20th-26th)
Religious feasts: On St Marina's day (July 17th), Dormition of Virgin Mary (August 15th), On St Fanourios' day (August 27th)
Sport events: "Alindia"
Sport clubs: Leros Football and Sport Club "Doxa", A.S.E..L., Youth Gymnastic Club of Leros, P.O.I.A.TH. of Leros (sailing), Tae-Kwon-Do Club, Leros Basketball Club "Panionios"