Disputes - international:
Kosovo remains unresolved and administered by several thousand peacekeepers from the UN Interim Administration Mission in Kosovo (UNMIK) since 1999, with Kosovar Albanians overwhelmingly supporting and Serbian officials opposing Kosovo independence; the international community had agreed to begin a process to determine final status but contingency of solidifying multi-ethnic democracy in Kosovo has not been satisfied; ethnic Albanians in Kosovo refuse demarcation of the boundary with Macedonia in accordance with the 2000 Macedonia-Serbia and Montenegro delimitation agreement; Serbia and Montenegro have delimited about half of the boundary with Bosnia and Herzegovina, but sections along the Drina River remain in dispute

Refugees and internally displaced persons:
refugees (country of origin): 95,297 (Bosnia and Herzegovina) 180,117 (Croatia)
IDPs: 225,000 - 251,000 (mostly ethnic Serbs and Roma who fled Kosovo in 1999) (2005)