Wiang Kaen district
Wiang Kaen is the easternmost district of Chiang Rai province, northern Thailand.
History
Historically, the area was Mueang Wiang Kaen, on the Ngao River. It was founded about the same time of Sukhothai Kingdom and Chiang Rai.The government separated the three tambons Muang Yai, Po, and Lai Ngao from Chiang Khong district to create a minor district on 1 April 1987. It was upgraded to a full district on 7 September 1995.
Geography
Neighboring districts are Thoeng, Khun Tan, Chiang Khong of Chiang Rai Province. To the east lies Bokeo province of Laos.Phu Chi Fa, 1,442 m high, lies at the border with Thoeng District.