Istrian County (Istarska županija) covers the surface of 2.820 square kilometers, and it occupies most of the Croatian part of the Istrian peninsula. Istrian County has a total of 206.344 inhabitants. This unit of regional self-government consists of 10 towns and 31 municipalities, and the town of Pula, with some 60.000 inhabitants, is the largest, most populated, economic, governing-administrative, business, university, cultural, and sports center of the Istrian County.
On an annual level, Istrian County produces over 100 000 t of municipal waste. At the start of its operations, CWMC "KAŠTIJUN" enabled for treatment of 90 000 t of municipal waste. Before it started operating, the municipal waste was deposited unprocessed on landfills throughout Istrian County.