Pokrovsk (Russian: Покро́вск; Yakut: Покровскай, Pokrovskay) is a town and the administrative center of Khangalassky District of the Sakha Republic, Russia, located on the left bank of the Lena River, 78 kilometers (48 mi) southwest of Yakutsk, the capital of the republic.

[2] It was first founded by the Cossacks in 1682 as the ostrog of Karaulny Mys (Карау́льный Мыс), meaning "watchtower point".

[1] As an inhabited locality, Pokrovsk is classified as a town under republic jurisdiction.

[1] As an administrative division, it is incorporated within Khangalassky District as the Town of Pokrovsk.

[3] The Lena Highway connecting Yakutsk with the destinations further south is on the opposite bank of the Lena River, passing through the selo of Kerdyom.