Geography of buriram province. The South has tended to divide the province into San kamphaeng mountain range, a mountain range that goes from the Dong Phaya Yen mountains since. Khao kheow in nakhonnayok. end at Tako Amphoe non DIN daeng and then continued to go out with mount (Phnom) showing love that stretches East toward the Thai-Cambodian border as through Surin province of SI SA KET province, standing water district ends at Ubon Ratchathani.