Oman and Iran are the only countries that border the Gulf of Oman.
Caspian Sea, and Sea of Oman.
Two: the Persian Gulf, and the Gulf of Oman
Yes. The two countries share a border in what is southeast Iran and southwest Pakistan.
Caspian Sea on the northern border, and the Persian Gulf and Gulf of Oman on the southern coast.
Somalia, Djibouti, Yemen, Oman, Iran, Pakistan, India, United Arab Emirates, The Maldives.
They share a common border.
Saudi Arabia, Yemen and UAE are the neighbours of Oman
There are 8, and they are Oman, UAE, Bahrain, Qatar, Saudi Arabia, Kuwait, Iraq and Iran.
The countries that border the Strait of Hormuz are Iran and the United Arab Emirates.
Mercifully, they do not.
Gulf of Iran