Kasli (Russian:Касли́) is a town and the administrative center of Kaslinsky District in Chelyabinsk Oblast, Russia, located among several lakes on the eastern slope of the Middle Urals, 87 kilometers (54mi) northwest of Chelyabinsk, the administrative center of the oblast. Population: 16,969(2010 Census);19,091(2002 Census);21,530(**** Census).