evidence: After the Yugoslav wars, Slovenia became the first to apply for membership into the European Union. She was accepted the year Croatia and Macedonia applied. Croatia harbors a secret jealousy of her membership in the EU. Now, however, Slovenia wants more land. She and Croatia dispute over borders constantly. Territorial waters, like the Gulf of Piran, hamlets located south of Dragonja, the Sveta Gera Peak, and the river Mura are some of the most argued over borders between the two.