USTYUG VELIKIY, a town of Russia, in the government of Vologda, 216 m. N.E. from the city of Vologda, on the navigable Sukhona river, near its confluence with the Yug. Pop. (1885) 8119; (1897) 11,309. It manufactures hosiery, woollens and linens, has sawmills, and carries on an active trade in corn, hemp, flax, bristles and butter, which it exports. It has two important yearly fairs. Its artisans are famous for their jewelry, for engraving upon silver and the fabrication of boxes with secret locks.