Yekaterinburg, a city of Russia, on the Asiatic or E. side of the Ural mountains, on the Isset, in the government and 180 m. S. E. of the city of Perm; pop. in 1867, 24,500. It is the administrative capital and chief emporium of the Ural mining districts. It has two cathedrals, ten other churches, some palatial residences, gardens and parks, an observatory, a mineralogical museum, a chemical laboratory, a mining and other schools, a mint for copper coinage, and government iron works and machine shops. The rich mines in the vicinity include copper, and especially iron and platinum, which last is found almost exclusively in this region. The gold washings in the Isset are of some importance. Malachite and other precious stones, brought from Siberia, are worked at the great lapidary establishments. Jasper vases are ornamented with delicate carvings, executed with extraordinary skill and taste by workmen engaged at very low wages. The "granite " works, which belong to the government, turn out columns, pedestals, tables, and many other articles unrivalled in workmanship.

Yekaterinburg was founded by Peter the Great in 1722, and was named after the empress Catharine I.