• http://www.un.org/Depts/dpko/dpko/co_mission/unprofor.htm (677)

From that page:
Initially established in Croatia to ensure demilitarization of designated areas. The mandate was later extended to Bosnia and Herzegovina to support the delivery of humanitarian relief, monitor "no fly zones" and "safe areas". The mandate was later extended to the former Yugoslav Republic of Macedonia for preventive monitoring in border areas.