Isan is divided into 19 provinces, although the southwestern province of Nakhon Ratchasima is considered by some to be more closely connected with Central Thailand. Amnat Charoen Buriram Chaiyaphum Kalasin Khon Kaen Loei Maha Sarakham Mukdahan Nakhon Phanom Nakhon Ratchasima Nongbua Lamphu Nong Khai Roi Et Sakon Nakhon Sisaket Surin Ubon Ratchathani Udon Thani Yasothon Isan returns 136 of the n..