noun
territorial integrity; maintenance of territorial integrity
Formal term used in political, diplomatic, and legal contexts to refer to the protection of a nation's borders and territory.
政府は領土保全を最優先課題としている。
The government makes territorial integrity its top priority.
国際法は各国の領土保全を尊重するよう求めている。
International law calls for respect for the territorial integrity of each nation.
Compound of 領土 (territory) and 保全 (preservation, integrity). The term is a direct translation of the English 'territorial integrity' and is used primarily in formal and diplomatic Japanese.