Iran has two coastlines: Caspian Sea to the North, and the Persian Gulf to the South.
The Persian Gulf is hundreds of miles south of the Caspian Sea and neither are in Mesopotamia.
Iran
The Caspian Sea is mild in the north The Caspian Sea is warm in the south
Kuwait.
Kuwait.
Turkmenistan, Armenia and Azerbaijan to the north, Turkey and Iraq to the West, and Pakistan and Afghanistan to the east. In regards to bodies of water, the Persian Gulf borders from the south, and the Caspian Sea to the north.
Caspian sea is the largest
Iran
Iran.
booty
it is the Mediterranean