Petrozavodsk (Russian:Петрозаводск;IPA:[pʲɪtrəzɐˈvotsk]; Karelian/Vepsian/Finnish:Petroskoi) is the capital city of the Republic of Karelia, Russia, which stretches along the western shore of Lake Onega for some 27 kilometers (17mi). Population: 261,987(2010 Census);266,160(2002 Census);269,485(**** Census).