Chaiyaphum
Chaiyaphum is one of Thailand's seventy-six provinces, located in central northeastern Thailand, also called Isan. Neighboring provinces are Khon Kaen, Nakhon Ratchasima, Lopburi, and Phetchabun. Wikipedia
Population: 1.139 million (2018)
Calling code: 044
Capital: Chaiyaphum
ISO 3166 code: TH-36
Postal code: 36xxx