Basa Sunda (literally, language of Sunda), also called Sundanese, is the language of about 27,000,000 people from the western third of Java or 13.6% of Indonesian population.
It is classified in Austronesian - Malayo-Polynesian - Western Malayo-Polynesian - Sundic language family and has several dialects based on the locations of the people:
Priangan, which cover the most area of Sunda, is the main dialect of Sundanese language taught in elementary till junior-high schools (equivalent to ninth-year school grade).