Thailand which are gathered into five groups of provinces by location. There are also two specially-governed districts: the capital Bangkok (Krung Thep Maha Nakhon) and Pattaya. Bangkok is at provincial level and thus often counted as a province. Each province is divided into districts and the districts are further divided into sub-districts (tambons). there were 878 districts (อำเภอ, amphoe) and the 50 districts of Bangkok (, khet), which is further divided into 7,255 subdistricts (, tambon) in the 76 provinces or Bangkok's subdistricts (แขวง, khwaeng). Some parts of the provinces bordering Bangkok are also referred to as Greater Bangkok (, pari
Peopling of Thailand presently more than 30 distinct Tai ethnic groups in Thailand, contributing nearly 85 percent of the nation's population. The genetic stratification of the ethnic clades of the Tai ethnicity is an ongoing topic of debate among linguists and other social scientists. The history of Chinese immigration to Thailand dates back many centuries, and the specific Chinese ethnic groups which made their way to Thailand are numerous, although there is a greater concentration of Chinese from the southern provinces due to their geographic proximity to Thailand. The Chinese are part of the greater Sino-Tibetan ethnicity which also includes the Tibeto-Burmans. The