Mueang Phitsanulok is the capital district of Phitsanulok province, lower northern region of Thailand. Mueang Phitsanulok was the first class c…Mueang Phitsanulok is the capital district of Phitsanulok province, lower northern region of Thailand. Mueang Phitsanulok was the first class city in the northern part of Ayutthaya kingdom until the end of the kingdom in 1767. Also in the reign of King Taksin the Great, Phitsanulok was the first class city. In the Thesaphiban administrative reforms of King Chulalongkorn the city became the center of monthon Phitsanulok. Also during these reforms the district was created in 1898. Luang Udom Khet Borihan became the first district head officer.