Khon Kaen is one of the four major cities of Isan, Thailand, also known as the &#34;big four of Isan&#34;, the others being Udon Thani, Nakhon Ratchasima, and Ubon Ratchathani. It is the capital of Khon Kaen Province and the Mueang Khon Kaen District.

Khon Kaen

Nong Khai is a city in north-east Thailand. It is the capital of Nong Khai Province. Nong Khai city is administered as Mueang Nong Khai District. Nong Khai lies on the Mekong River, near the site of the first Thai–Lao Friendship Bridge, spanning the river to Laos.

Khon KaenNong Khai

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