Looking up...
China (the country)
私は中国に行ったことがあります。
I have been to China.
Refers to the People's Republic of China (PRC).
Mainland China (as opposed to Taiwan or Hong Kong)
中国と台湾の関係は複雑です。
The relationship between China and Taiwan is complex.
Be mindful of the political sensitivity when discussing China, especially in international or formal settings.
When referring to the country, '中国' is unambiguous. For regions, use '中国本土' (mainland China) or '中国大陸' (mainland China).
Composed of '中' (middle, center) and '国' (country), reflecting China's historical self-perception as the central civilization.
In formal contexts, '中国' refers to the PRC. In historical or cultural contexts, it may refer to the broader Chinese civilization.