The Republic of Karelia (Russian: Респу́блика Каре́лия, Respublika Kareliya; Karelian: Karjalan Tazavalda; Finnish: Karjalan tasavalta; Veps: Karjalan Tazovaldkund) is a federal subject of Russia (a republic). Its capital is the city of Petrozavodsk. Population: 643,548 (2010 Census).