Here's a breakdown:
* Guilin dialect: A specific dialect spoken in the Guilin region of Guangxi Province, China.
* Gan Chinese: A major Sinitic language spoken primarily in Jiangxi Province, China. Guilin dialect is considered a part of the Gan Chinese language family, but with its own unique features and pronunciations.
While Mandarin is the official language of China, regional dialects like Guilin dialect are still widely spoken in their respective areas.