Prachuap Khiri Khan (Thai: ประจวบคีรีขันธ์, pronounced [prā.t͡ɕùa̯p.kʰīː.rīː.kʰǎn]) is one of the western provinces (changwat) of Thailand. It is in the northern part of the Malay Peninsula, some 240 km (150 mi) south of Bangkok. Neighboring provinces are Phetchaburi to the north and Chumphon to the south. To the west it borders Tanintharyi Region of Myanmar.