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):
5,120 (Croatia) (2018)
IDPs:
99,000 (Bosnian Croats, Serbs, and Bosniaks displaced by inter-ethnic violence, human rights violations, and armed conflict during the 1992-95 war) (2018)
stateless persons:
90 (2018)
note: 55,058 estimated refugee and migrant arrivals (January 2015-January 2020)
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
