From the Wikipedia page 
Pattaya (Thai: พัทยา, About this sound pronunciation (help·info), RTGS: Phatthaya, Thai pronunciation: [pʰát.tʰā.jāː]) is a resort city in Thailand. It is on the east coast of the Gulf of Thailand, about 100 kilometres (62 mi) south-east of Bangkok, within, but not part of, Amphoe Bang Lamung in the province of Chonburi. The Pattaya City (Thai: เมืองพัทยา RTGS: Mueang Phatthaya) is a self-governing municipal area which covers the whole tambon Nong Prue and Na Klua and parts of Huai Yai and Nong Pla Lai. The city is in the industrial Eastern Seaboard zone, along with Si Racha, Laem Chabang, and Chonburi. Pattaya is the center of the Pattaya-Chonburi Metropolitan Area—the conurbation in Chonburi Province—with a total population roughly 1,000,000.
Pattaya city has been administered under a special autonomous system since 1978. It has a status comparable to a municipality and is separately administered by the mayor of Pattaya city who is responsible for making policies, organising public services, and supervising the city's workforce.