Minnan or Hoklo Language. In Guangdong Province is called Teochew. Minnan language in Hainan Island is called Hainanese. Minnan is Singapore, Malaysia, Singapore is known as Hokkien. Minnan in Taiwan is called Taiwanese or Taigi. So, did I answer your questions?
Mandarin is known as Putong-hua in China. In Taiwan is called Guo-yu. In Singapore and most South East Asia is known as Hua-yu. Do not be so narrow-minded.
