Evritania, Evrytania (Greek: Ευρυτανία), rarely/Latin: Eurytania is one of the 54 prefectures of Greece. It is within the periphery of Central Greece. Its capital is Karpenisi (9,390 (in 2001)). The prefecture is almost entirely covered with mountains including the Tymfistos and the Panaitoliko in the south and rivers including the Acheloos in the west, Agrafioti in the east and Megdova in the east flowing down to the Ionian Sea, and has a skiing resort. It is one of the leastle populated prefectures in Greece. It is one of the few prefectures that uses only one area code.