Cambodia's boundaries in 1987 were for the most part based upon those recognized by France and by neighboring countries during the colonial period. The 800-kilometer boundary with Thailand, coincides with a natural feature, the watershed of the Dangrek Mountains, only in its northern sector. The 541-kilometer border with Laos and the 1,228-kilometer border with Vietnam result largely from French administrative decisions and do not follow major natural features. Border disputes have broken out in the past between Cambodia and Thailand as well as between, Cambodia and Vietnam.

Data as of December 1987

NOTE: The information regarding Cambodia on this page is re-published from The Library of Congress Country Studies and the CIA World Factbook. No claims are made regarding the accuracy of Cambodia Regional Divisions information contained here. All suggestions for corrections of any errors about Cambodia Regional Divisions should be addressed to the Library of Congress and the CIA.