Mandarin is the national language of China. There is no country called 'Mandarin'.Speakers of Mandarin have migrated to various parts of the world, including North America, parts of Europe, and various other Asian countries such as Singapore and Malaysia, etc.
There are several countries in the world that speak Mandarin. Three of these countries are China, Taiwan, and Singapore.
Mandarin (or Mandarin Chinese) is spoken mainly in China, however it is also the official language of Taiwan and one of four official languages in Singapore.
The only countries with Mandarin Chinese as an official language are China, Taiwan, and Singapore.
In numerous countries, but most Mandarin speakers live in China.
Mandarin Chinese is spoken in the People's Republic of China (better known as China), Taiwan, Singapore, and Malaysia as an official language. Obviously, many other countries have a considerable population of Mandarin speakers.
China, Indonesia and Thailand
Singapore, Malaysia, and China