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): 6,703 (Croatia) (2014)
IDPs: 84,500 (Bosnian Croats, Serbs, and Bosniaks displaced by inter-ethnic violence, human rights violations, and armed conflict during the 1992-1995 war) (2015)
stateless persons: 101 (2014)

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