World Geography All important sea and nearby countries | UPSC Caspian Sea - Turkmenistan, Azerbaijan, Russia, Iran and Kazakhstan. Black Sea - Georgia, Ukraine, Russia, Romania, Bulgaria and Turkey. Red Sea - Djibouti, Eritrea, Saudi Arabia, Sudan, Egypt and Yemen. Aral Sea - Uzbekistan and Kazakhstan. Sea of Azov - Ukraine and Russia. Baltic Sea - Russia, Denmark, Germany, Sweden,...