an Entity references as follows:
The Phetchabun mountains (Thai: ทิวเขาเพชรบูรณ์, Thio Khao Phetchabun, IPA: [tʰiw kʰǎw pʰét.tɕʰa.buːn]) are a mountain massif in Phetchabun, Phitsanulok, Loei and Chaiyaphum Provinces, Thailand.