Iž (pronounced [îːʒ]; Italian: Eso, German: Ese) is an island in the Zadar Archipelago within the Croatian reaches of the Adriatic Sea. It is situated between Ugljan on the north-east and Dugi Otok on the south-west and is about an hour's ferry ride from Zadar. It has an area of 17.59 square kilometres (7 square miles) and a population of 557. Its mineralogy is composed of mainly limestone and dolomite.