Yakutsk (pop. 187,000), 62° 2' N, 129° 44' E, capital of Sakha Republic, Russia, a major port on Lena river in E Siberia. It is also a highway center and has tanneries, sawmills, and brickworks. Yakutsk was founded in 1632. It has a university (founded 1956) and the Yakutsk branch of the Russian Academy of Sciences.
