Strait of Hormuz

Hormuz, Strait of, 30–50 mi (48–80km) wide waterway leading out of the Persian Gulf to the Gulf of Oman and the Indian Ocean. Most Middle East oil tankers pass through the strait, which is commanded by Qishm Island (Iran) and three other islands—Greater Tunb, Lesser Tunb, and Abu Musa—currently held by Iran but claimed by the United Arab Emirates.