Disputes - international:
Serbia 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): 5,164 (Croatia) (2016)
IDPs: 98,000 (Bosnian Croats, Serbs, and Bosniaks displaced by inter-ethnic violence, human rights violations, and armed conflict during the 1992-95 war) (2016)
stateless persons: 49 (2016)
Illicit drugs:
increasingly a transit point for heroin being trafficked to Western Europe; minor transit point for marijuana; remains highly vulnerable to money-laundering activity given a primarily cash-based and unregulated economy, weak law enforcement, and instances of corruption