Iran
Iran.
Tehran, Iran
Iran
Russia aka Russian Federation
Iran.
Tehran, Iran
Iran
Yes. Iran borders the Caspian Sea.
That is Iran.
I believe the Caspian Mountains are south of the Caspian Sea, in Iran. I believe this is also where the probiotic drink, kefir, comes from.
Iran has two coastlines: Caspian Sea to the North, and the Persian Gulf to the South.