also: てんこく
noun
heaven; paradise; Kingdom of Heaven
Refers to the religious concept of heaven, a blissful afterlife, or an ideal, paradise-like place. Can be used metaphorically for a state of perfect happiness.
彼は天国へ行ったと信じられている。
He is believed to have gone to heaven.
ここはまるで天国
This place is just like paradise.