Yes, Iraq is a country. It is at the north end of the Arabian Gulf.
Iraq touches the Persian Gulf at its most northwesterly.
Kuwait is on Iraq's southeastern border and is a small country that borders 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.
The country in question is IRAQ.
The Persian Gulf
The Gulf War was fought against Iraq to liberate Kuwait from Iraq's occupation.
That could be Iraq or Kuwait.Kuwait, Iraq, and Iran are all that focal point where the Persian Gulf ends.
The monarchy of Kuwait is located southeast of Iraq and borders the Persian Gulf.
In the Gulf Wars of 1980-1988 (the Iran-Iraq War) and the Persian Gulf of 1990-1991 (the Persian Gulf War), Iraq was the aggressor. In the Gulf War of 2003-2011 (the Iraq War), the United States was arguably the aggressor.
That is Iran.
That was Kuwait.