whole country; entire land; whole nation
Refers to the entire territory of a country or region, often used in news or formal contexts. Can apply to any nation, not just Japan.
The earthquake caused extensive damage across the whole country.
The news spread throughout the entire land.
The effects of the typhoon spread across all of Japan.
A massive earthquake struck the entire country.
A drought is occurring throughout the entire country.
全域 means 'the entire area' and can describe a small region as well as a country, while 全土 is reserved for an entire nation or large landmass.
全部 means 'all of something' in a general, countable sense, whereas 全土 specifically refers to the whole territory of a country or region.
the whole nation; the entire country
Compound of 全 (zen, 'all, whole') and 土 (do, 'land, earth'). The reading ぜんど is the standard on'yomi combination.