a town of Russia, in the province of Kuban (Caucasus),. founded in 5848 on a sandbank which separates the shallow Bay of Yeisk from the Sea of Azov, 76 m. S.W. of Rostovon-the-Don. Pop. 35,446. Notwithstanding its shallow roadstead, Yeisk has grown with great rapidity, and exports corn, linseed and wool. There are wool-cleansing factories, oil-works. and tanneries.