The old districts of Koraput, Balangir and Kalahandi (popularly known as KBK districts ) have since 1992-93 been divided into eight districts: Koraput, Malkangiri, Nabarangpur, Rayagada, Balangir, Subarnapur, Kalahandi and Nuapada. These eight districts comprise of 14 Sub- divdisions, 80 Tahsils, and as many Community Development Blocks. The total number of revenue villages forming part of KBK region is 12,293. Geographical administrative divisions of these districts are summarized below:

SlnoDistrictArea(Sq.Km)Number Of
Sub-Div. Tahasils Blocks TSP BlocksVillages
1 Koraput 8807 2 14 1414 2028
2Malkangiri5791 1 7 7 7 1045
3 Nabarangpur 5291 1 10 10 10 901
4Rayagada7073 2 11 11112667
5Balangir6575 3 14 14 -- 1794
6Subarnapur2337 2 6 6 -- 959
7Kalahandi 7920 2 13 13 22236
8Nuapada3852 1 5 5 --663
Total KBK47646 14 80 80 4412293