What island is included in the geographic area home to a variety of publications describing Hong Kong Cantonese as "Hong Kong speech"?
Hong Kong Cantonese:  Although the Hong Kong people largely identify this variant of Chinese with the term ""Cantonese"" (廣東話 ), a variety of publications in Mainland China describe the variant as "Hong Kong speech" (香港話 ). Mainland China: Mainland China, also known as the Chinese mainland, is the geopolitical as well as geographical area under the direct jurisdiction of the People's Republic of China (PRC). Mainland China:  It generally includes Hainan island and excludes the special administrative regions of Hong Kong and Macau, even though both are partially on the geographic mainland (continental landmass).
i don't know