topography
Nong Khai Approximately 3026.534 square kilometers or approximately 1,891,583 acres shares a border with Vientiane . , The capital of Laos . The Mekong River is the boundary line . Nong Khai is a border that has a unique design with space runs parallel along the Mekong River with a total length of 195 kilometers , the width of the area runs parallel to the Mekong River average about 20 - 25 kilometers widest range in the district now . farm And the narrowest in Bo District . Nong Khai is adjacent to the Mekong River District 6 district .
North: contact with the walls of Vientiane. The capital of Laos The Mekong River is the border .
East: contact with Pak Khat . And district Phisai Kan Province
South: The district Muang . Sakon Phen Dung Sang Khom Na Yung district and Ban Phu . Udon Thani
West: contact with Pak Chom , Loei Province .