Nong Khai province

Nong Khai
หนองคาย
From top: Phaya Naga Plaza, a landmark of Tha Sadet, a Mekong riverside border market; Silhouette of the First Thai–Lao Friendship Bridge; Phrathat Nong Khai, a pagoda sunken in the Mekong; Inside of Nong Khai Aquarium; Naga fireballs phenomena in 2015; Glass Skywalk viewpoint of the Mekong in Sangkhom District
Motto(s): 
วีรกรรมปราบฮ่อ หลวงพ่อพระใส สะพานไทย-ลาว
("The Haw wars. Luang Pho Phra Sai. The Thai-Lao bridge.")
Map of Thailand highlighting Nong Khai province
CountryThailand
CapitalNong Khai
Government
  GovernorSompop Samittasiri
Area
  Total
3,275 km2 (1,264 sq mi)
  Rank60th
Population
 (2024)
  Total
511,706
  Rank52nd
  Density156/km2 (400/sq mi)
   Rank23rd
Human Achievement Index
  HAI (2022)0.6357 "somewhat low"
Ranked 46th
GDP
  Totalbaht 40 billion
(US$1.4 billion) (2019)
Time zoneUTC+7 (ICT)
Postal code
43xxx
Calling code042
ISO 3166 codeTH-43
Websitenongkhai.go.th
Nong Khai Provincial Administrative Organization
องค์การบริหารส่วนจังหวัดหนองคาย
Government
  TypeLocal administrative divisions
  BodyNong Khai Provincial Administrative Organization
  PresidentWutthikrai Changlek
Websitenongkhaipao.go.th

Nong Khai province (Thai: หนองคาย, pronounced [nɔ̌ːŋ kʰāːj]; Northeastern Thai: หนองคาย, pronounced [nɔ̌ːŋ kʰa᷇ːj]) was formerly the northernmost of the northeastern (Isan) provinces (changwat) of Thailand until its eight eastern districts were split off to form Thailand's newest province, Bueng Kan province, in 2011. Nong Khai province lies in upper northeastern Thailand. Nearby provinces are (clockwise, from the east): Bueng Kan, Sakon Nakhon, Udon Thani, and Loei. To the north it borders Vientiane province, Vientiane Prefecture, and Bolikhamsai province of Laos.