Disputes - international:
Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and since the early 1990s has militarily occupied 16% of Azerbaijan; over 800,000 mostly ethnic Azerbaijanis were driven from the occupied lands and Armenia; about 230,000 ethnic Armenians were driven from their homes in Azerbaijan into Armenia; Azerbaijan seeks transit route through Armenia to connect to Naxcivan exclave; Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; Azerbaijan, Kazakhstan, and Russia ratify Caspian seabed delimitation treaties based on equidistance, while Iran continues to insist on an even one-fifth allocation and challenges Azerbaijan's hydrocarbon exploration in disputed waters; bilateral talks continue with Turkmenistan on dividing the seabed and contested oilfields in the middle of the Caspian; Azerbaijan and Georgia continue to discuss the alignment of their boundary at certain crossing areas

Refugees and internally displaced persons:
refugees (country of origin): 2,800 (Russia)
IDPs: 580,000-690,000 (conflict with Armenia over Nagorno-Karabakh) (2006)