Iran is located between the Caspian Sea and the Persian Gulf.
The Caspian Sea is hundreds of miles north of the Persian Gulf.
Iran is the only country that borders both the Caspian Sea and the Persian Gulf.
The Persian Gulf is hundreds of miles south of the Caspian Sea and neither are in Mesopotamia.
Yes. Iran is the only country that borders both the Caspian Sea and the Persian Gulf.
They are all bodies of water near the Fertile Cresont in Mesopatamia.
IranIran
Persian Gulf, Arabian Sea and Caspian Sea
That is Iran.
IranThat is Iran.
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There is no such thing as the "Chadian Sea".