The indigenous Shanghainese can be more readily identifiable by their dialect.The shanghainese speak a variant of Wu, the second largest Chinese language group, which is unintelligible both to the Mandarin speaker of the north and to the Hakka, Cantonese and the other Chinese language groups of the south.There are about a hundred million Wu speaker in Zhejiang and Jiangsu provinces, as well as in parts of Anhui, Jiangxi, Fujian, Taiwan, and Singapore.