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Lom Sak
หล่มสัก

Statistics
Province:	Phetchabun
District office:	16°46′46″N, 101°14′32″E
Area:	1,535.3 km²
Inhabitants:	150,680 (2000)
Pop. density:	98.1 inh./km²
Geocode:	6703
Postal code:	67110
Map

Lom Sak (Thai: หล่มสัก) is a district (Amphoe) in the northern part of Phetchabun Province, northern Thailand.

The history of Lom Sak area dates back to the founding time of the Sukhothai kingdom in the 13th century. The governor of Mueang Rat (Lom Sak), Pho Khun Pha Mueang (พ่อขุนผาเมือง), was one of Thai warlords who defeated the Khmer from Siamese area. When Pho Khun Bang Klang Hao (พ่อขุนบางกลางหาว) and him established Sukhothai kingdom, he supported his friend to be the first king because his wife was Khmer.

In 1767 in the reign of King Taksin the Great, Phraya Chakri (the later King Rama I) return from his expedition to Vientiane through the area of present day Lom Kao district. Some of people from Vientiane settled their new town there. When the new town grew bigger, they moved their town to the plain near the Pa Sak River and named the new town Lom Sak. Later other Lao from Vientiane, who were forced by King Taksin to settle around Lopburi, returned and joined Lom Sak.

According to the historian Prince Damrong Rajanubhab the Mueang Lom Sak was official established in the reign of King Nangklao (Rama III). When King Chulalongkorn (Rama V) created the Monthon as part of the thesaphiban administrative reforms, Mueang Lom Sak was controlled by Monthon Phetchabun. Later it was downgraded to be a district of Phetchabun province. In 1916 the district was named Wat Pa (วัดป่า). The name of district was changed back to Lom Sak on November 11th, 1938.

In the 1970s the hills of Lom Sak were one of the strongholds of the guerilla of the Communist Party of Thailand.

Neighboring districts are (from the north clockwise) Lom Kao and Nam Nao of Phetchabun Province, Khon San of Chaiyaphum Province, and Mueang Phetchabun and Khao Kho of Phetchabun again.

The Nam Nao National Park protects some of the hills of the district. Khao Kho National Park is currently in creation and will also cover parts of the district.

The district is subdivided into 23 subdistricts (tambon), which are further subdivided into 251 villages (muban). Lom Sak itself is a town (thesaban mueang) which covers the whole tambon Lom Sak. There are further 20 Tambon administrative organizations (TAO).

This Phetchabun Province location article is a stub. You can help Wikipedia by expanding it.

v • d • e Amphoe of Phetchabun
Amphoe:	Mueang Phetchabun - Chon Daen - Lom Sak - Lom Kao - Wichian Buri - Si Thep - Nong Phai - Bueng Sam Phan - Nam Nao - Wang Pong - Khao Kho