(pop. 187,000), 62° 2' N, 129° 44' E, capital of Sakha Republic
, 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.