<![CDATA[The regulation of a country's territorial boundaries is one of the fundamental aspects of international law because it is closely related to the exercise of sovereignty, jurisdiction, and protection of the territorial integrity of a country. This study aims to analyze the regulation of state territorial boundaries from the perspective of international law and examine its juridical implications on the implementation of state sovereignty. The research uses normative legal research methods with a legislative approach and a conceptual approach. The legal materials used consist of primary legal materials in the form of international conventions, laws and regulations, and international court decisions, as well as secondary legal materials in the form of books, scientific journals, and expert opinions. The results of the study show that the regulation of territorial boundaries through international legal instruments, especially the 1945 United Nations (UN) Charter and the 1982 United Nations Convention on the Law of the Sea (UNCLOS), provide a legal basis for countries to exercise sovereignty and resolve territorial boundary disputes peacefully. However, in its implementation, there are still various obstacles, such as overlapping territorial claims, differences in interests between countries, and the implementation of international dispute settlement institutions' decisions has not been optimal. Therefore, it is necessary to strengthen international cooperation, compliance with international law, and resolve disputes through peaceful mechanisms to realize legal certainty and maintain state sovereignty.]]>
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