Tokyo is the Capital of Japan.

东京是日本的首都。

youdao

Kyoto used to be the capital of Japan.

京都曾是日本的首都。

《新英汉大辞典》

Do you know which city is the capital of Japan?

你知道哪个城市是日本的首都吗？

youdao

As the cultural capital of Japan, traditional arts are actively cultivated in the city.

BBC: Kaiseki-ryori: Japanese haute cuisine

Again, I expect the flow of capital out of Japan to continue, and I remain very bullish about non-Japanese stocks.

FORBES: Put Some Money in Japan

At a panel discussion on the report, Lulu Wang, chief executive of Tupelo Capital Management, pointed to Japan as example of the benefits of FDI.

FORBES: China On The Verge Of A Worldwide Foreign Investment Boom, Says Report