Khon Kaen

Khon Kaen
ขอนแก่น
City of Khon Kaen
เทศบาลนครขอนแก่น
From top, left to right: Aerial view of Khon Kaen City; Wat Klang Khon Kaen; Sithan Gate of Khon Kaen University, flags half-raised to honor Princess Galyani Vadhana; Khon Kaen democracy monument; statue of King Rama IV at Khon Kaen University.
Khon Kaen
Location in Thailand
Coordinates: 16°26′N 102°50′E / 16.433°N 102.833°E / 16.433; 102.833
Country Thailand
ProvinceKhon Kaen
DistrictMuang Khon Kaen
Town municipality20 Aug 1935
City municipality24 Sept 1995
Government
  TypeCity Municipality
  MayorPrasit Thongtangthai
Area
46 km2 (17.76 sq mi)
  Urban
953.4 km2 (368.1 sq mi)
  Rank10th
Elevation
187 m (613.5 ft)
Population
 (2019)
114,459
  Rank4th (Urban)
  Density2,488/km2 (6,440/sq mi)
  Urban
(2024)
416,988
  Urban density440/km2 (1,100/sq mi)
 Registered residents
Time zoneUTC+7 (ICT)
Postcode
40000
Calling ode043
Websitewww.kkmuni.go.th

Khon Kaen (Thai: ขอนแก่น, pronounced [kʰɔ̌(ː)n kɛ̀n]) is the capital of Khon Kaen province and the fourth-largest city in Thailand. It is one of the four major cities of Isan, Northeast Thailand, also known as the "big four of Isan", the others being Udon Thani, Nakhon Ratchasima, and Ubon Ratchathani.

The city municipality of Khon Kaen (thesaban nakhon) acts as the governmental seat of the province, as well as the Mueang Khon Kaen district and lies 450 kilometres (280 mi) northeast of Bangkok.