孔敬
Khon Kaen (, ) is one of the four major cities of Isan, Thailand, also known as the "big four of Isan", 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 lies north-northeast of Bangkok.