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):
6,709 (Croatia) (2013)
IDPs:
103,400 (Bosnian Croats, Serbs, and Bosniaks displaced by intern-ethnic violence, human rights violations, and armed conflict during the 1992-1995 war) (2013 est.)
stateless persons:
4,500 (2012)
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