The Persian Gulf.
The largest Iranian river that flows into the Persian Gulf is the KARUN RIVER which starts in the Zagros Mountains and winds its way, roughly parallel with the Iraqi Tigris River into the Persian Gulf via a delta in the Iranian portion of the Shatt al-Arab.
The Tigris River empties into the Persian gulf
The confluence of the Tigris and Euphrates rivers forms the Shatt-al-Arab (Arabic, River of the Arabs) or the Arvand Rud (Persian, Swift River), a river of some 120 miles (200 km). The southern end divides Iran and Iraq, and flows into the Persian Gulf.
The Tigris-Euphrates confluence at Al-Qurnah forms the Shatt al-Arab River and that flows into the Persian Gulf.
uhhhh its the Persian gulf
The river that flows through Syria into Iraq and on to the Persian Gulf is the Euphrates River.
I think it emptys into the Persian gulf fromtweedledumb You are correct, the Persian Gulf is part of the Indian Ocean.
Euphrates River
The Euphrates River flows into that other great river of the region, the Tigris, at Al-Qurnah.
The River Euphrates empties into the Persian Gulf.
Euphrates river