What language is spoken in southern china?

It's not quite as simple as saying one language is spoken in southern China. The region encompasses many different language groups, primarily:

1. Yue Chinese (Cantonese): This is the most prominent language in southern China, particularly in Guangdong, Guangxi, and Hong Kong.

2. Min Chinese: This branch of Chinese has several sub-dialects, including Hokkien, Teochew, and Hainanese. They are primarily spoken in Fujian, Taiwan, and parts of Guangdong.

3. Hakka: This language is spoken by a significant population across southern China, particularly in Guangdong, Fujian, and Jiangxi.

4. Gan Chinese: This language is primarily spoken in Jiangxi province.

5. Other Sinitic Languages: There are several other less widely spoken languages, including Wu Chinese, which is mainly spoken in Shanghai and Zhejiang.

6. Minority Languages: Southern China also has a diverse range of minority languages, including Zhuang, Yao, Miao, and Hmong.

So, while Cantonese is the most prominent language, there is a complex linguistic landscape in southern China, with a variety of Chinese dialects and minority languages.