Hindu Kush Mountains
The Persian Gulf has no "south eastern border" -the south western border is Saudi Arabia and the Gulf states and Iran is the north eastern border.
The eastern border of the Persian Empire was marked by the Hindu Kush Mountains, the deserts of Central Asia, and the Indus River. These geographic features served as natural barriers, making it difficult for invaders to enter the empire from the east.
Iraq's south eastern border is the Persian Gulf. It's capital is Baghdad.
Malaysia
The Indus River.
The Indus River.
cow
At its largest extent, the Persian Empire reached the river Indus (in present day Pakistan). This was not always the eastern border as the size of the empire varied. Save
Eight Middle Eastern countries border the Persian Gulf. Kuwait, Qatar, Bahrain, Saudi Arabia, the United Arab Emirates, Oman (exclave of Musandam), Iraq, and Iran all border the Persian Gulf.
The Serria Nevada
No. Pakistan does not border the Persian Gulf.
The Persian Empire was established in Asia, North Africa and Eastern Europe. That makes three continents. Your other four continents were not involved.