The territory or land of a country; the area that a nation possesses or covers.
日本の国土は山がちで、平地が少ない。
Japan's territory is largely mountainous and has little flat land.
国土の保全は政府の重要な課題だ。
Preserving the country's territory is an important issue for the government.
地震は国土のインフラにも大きな被害を与える。
Earthquakes also cause major damage to a country's infrastructure.