The country that borders the Persian Gulf to the northeast is Iran. The capital of Iran is Tehran and the official language is Persian.
Kuwait is the country in question.
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.
The Persian gulf
Persian Gulf
Persian Gulf
Iraq touches the Persian Gulf at its most northwesterly.
The Persian Gulf.
Southwest of Iraq is Saudi Arabia, which while it does border the Persian Gulf is NOT small. Kuwait is on Iraq's southeastern border and is a small country that borders the Persian Gulf.
That could be Iraq or Kuwait.Kuwait, Iraq, and Iran are all that focal point where the Persian Gulf ends.
The Persian Gulf
Mesopotamia extends from southeast of Turkey to northwest of Persian Gulf, and between rivers Tigris and Euphrates. It comprises southeast of Turkey, northeast of Syria, from northwest to southeast of Iraq and west of Iran.
That is Iran.