Yelets, city, Lipetsk oblast (region), western Russia, on the Sosna River. First mentioned in 1146 and the seat of a minor princedom in the 13th century, Yelets long served as a southern frontier fortress. It was captured by Timur in 1395 and by the Mongols in 1414; in 1483 it passed to Moscow. Although long noted for its handmade lace, Yelets today is an industrial city, with flour milling and engineering, and is also a railway junction. Pop. (2006 est.) 113,429.