Pustozersk

250px|thumb|Pustozersk in 1909 Pustozersk or Pustozyorsk () was the first town built by Russians north of the Arctic Circle. It was the administrative center of Yugra and Pechora regions of the Russian Empire. It was situated in what is today Nenets Autonomous Okrug, about 20 km south-west of Naryan-Mar.

Pustozersk was founded in 1499 in the lower reaches of the Pechora River by Princes Semyon Kurbsky and Pyotr Ushaty. The town was built in a deserted area on barren soil, hence the name Pustozersk, which literally means "place of empty lakes", from пустых (of empty) + озер (lakes) + -ск (word ending for a place-name). It was the most distant northern outpost of Muscovy and the first Russian settlement on the Pechora. Pustozersk was supposed to play the role of a military fort on the northern borders of the Russian state. Beginning in 1644, the city was frequently attacked by Samoyedic peoples.