Disputes - international:
Azerbaijan, Kazakhstan, and Russia ratified the Caspian seabed delimitation treaties based on equidistance, while Iran continues to insist on a one-fifth slice of the sea; the dispute over the break-away Nagorno-Karabakh region and the Armenian military occupation of surrounding lands in Azerbaijan remains the primary focus of regional instability; residents have evacuated the former Soviet-era small ethnic enclaves in Armenia and Azerbaijan; local border forces struggle to control the illegal transit of goods and people across the porous, undemarcated Armenian, Azerbaijani, and Georgian borders; bilateral talks continue with Turkmenistan on dividing the seabed and contested oilfields in the middle of the Caspian

Refugees and internally displaced persons:
IDPs: 582,000 (conflict with Armenia over Nagorno-Karabakh; IDPs are mainly ethnic Azerbaijanis but also include ethnic Kurds, Russians, and Turks predominantly from occupied territories around Nagorno-Karabakh; includes IDPs' descendants, returned IDPs, and people living in insecure areas and excludes people displaced by natural disasters; around half the IDPs live in the capital Baku) (2016)
stateless persons: 3,585 (2016)

Illicit drugs:
limited illicit cultivation of cannabis and opium poppy, mostly for CIS consumption; small government eradication program; transit point for Southwest Asian opiates bound for Russia and to a lesser extent the rest of Europe