Border, north adjacent to Thailand (Ubon Ratchathani Province, Si SA ket, Surin, and RAM) and Laos.
The east by Vietnam (provinces gun isodose Pleiku Salah. Daklak, light แบ๋ toey nin. Try saddle, Dong said it sang and Gyeong sang).
In the west country (Chanthaburi and Trat province.).
To the south by the Gulf of Thailand