It is not in any single country.
Qatar is the small country located on the Persian Gulf.
Bahrain has 33 islands and is located in the Persian Gulf.
Iran is located between the Caspian Sea and the Persian Gulf.
Qatar, Bahrain, and Kuwait are three small nations located on the Persian Gulf.
Qatar.
Kuwait is located at the 'top'
The monarchy of Kuwait is located southeast of Iraq and borders the Persian Gulf.
Kuwait is on Iraq's southeastern border and is a small country that borders the Persian Gulf.
Qatar
Iran is a country on the Persian Gulf.
Kuwait is a country in the Persian Gulf
Bahrain is an island country in the Persian Gulf and the smallest country in the Persian Gulf area.