* The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula, and Albania is one of the countries on its coast. * Croatia does not border the Black Sea. The countries bordering the Black Sea are Bulgaria, Georgia, Romania, Russia, Turkey, and Ukraine. * Kazakhstan is one of the five countries (along with Russia, Turkmenistan, Iran, and Azerbaijan) that border the Caspian Sea. * Morocco is one of the countries that border the Mediterranean Sea. * Syria does not border the Red Sea. The countries bordering the Red Sea are Saudi Arabia, Yemen, Egypt, Sudan, Eritrea, and Djibouti. So, the correctly matched pairs are 1, 3, and 4.