ESZEK, a city of the Austrian kingdom of Hungary, in the province of the Farther Theiss, and the capital of a circle of its own name. It is situated on the river Drave, is strongly fortified, and defended by a citadel. It is a place of considerable trade in corn, cattle, and hides, and contains three Catholic and one Greek church, with 10,850 inhabitants. Long. 18. 36. 45. E. Lat. 45. 34. 13. N.