Ust-Sysolsky Uyezd

Syktyvkar (, , ; , ) is the capital city of the Komi Republic in Russia, as well as its largest city. It is also the administrative center of the Syktyvkar Urban Okrug. Until 1930, it was known as Ust-Sysolsk named after the Sysola River.

Sosnogorsk (; , Sösnagort) is a town in the Komi Republic, Russia, located on the Izhma River. Population: