page_title: Croatia–Slovenia border disputes
section_title: Origins of Gulf of Piran issues
hierarchical_section_title: Croatia–Slovenia border disputes / Origins of Gulf of Piran issues
caption_attribution_description: English: Piran bay (Piranski zaliv), with P111 - slovenian police/coast guard boat
context_page_description: Following the breakup of Yugoslavia in 1991, Slovenia and Croatia became independent countries. As the border between the countries had not been determined in detail prior to independence, several parts of the border were disputed, both on land and at the sea, namely in the Gulf of Piran.
  According to the Croatian Bureau of Statistics, the two countries share about 668 kilometres of border. According to the Statistical Office of the Republic of Slovenia, the border spans 670 km. The border runs in the direction from the southwest to the northeast.
  The countries have attempted to resolve the dispute, most notably with the Drnovšek–Račan agreement in 2001 that was ratified by Slovenia but not by Croatia. Because of the disputed border, Slovenia blocked Croatia's EU accession talks until the agreement was reached by both countries and the EU to settle the dispute by a binding arbitration.
context_section_description: Following World War II, the area from north of Trieste to the Mirna River in the south was part of the Free Territory of Trieste. In 1954, the Territory was dissolved; the area was provisionally divided between Italy and Yugoslavia, and the division made final by the Treaty of Osimo in 1975.
  In the first draft delimitation proposal following both countries' 1991 declarations of independence, Slovenia proposed establishing the border in the Gulf of Piran's center. However, Slovenia changed the draft the following year (declaring its sovereignty over the entire Gulf on 5 June 1992). Since then Slovenia has continued to insist on this position.
  The name "Bay of Savudrija" (Croatian: Savudrijska vala) was originally used for only part of the bay. In 2000 it came into use for the whole bay by local Croatian fishermen and was quickly adopted (first by Croatian journalists, then local authorities, and finally at the state level), leading to its appearance in official maps. Such actions were contrary to established practices with long-standing geographical names, and are seen by Slovene authorities as an attempt to imply historical connections with the bay. Another name, "Bay of Dragonja" (Croatian: Dragonjski zaljev), was introduced in Croatia but failed to gain widespread use.
caption: Slovenian police/coast guard boat P111 in the Gulf of Piran
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