Disputes - international:
dispute remains with Bosnia and Herzegovina over several small sections of the boundary related to maritime access that hinders ratification of the 1999 border agreement; the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Pirin Bay and maritime access to Slovenia and several villages to Croatia, remains unratified and in dispute; Slovenia also protests Croatia's 2003 claim to an exclusive economic zone in the Adriatic; as a European Union peripheral state, Slovenia imposed a hard border Schengen regime with non-member Croatia in December 2007

Refugees and internally displaced persons:
IDPs: 2,900-7,000 (Croats and Serbs displaced in 1992-95 war) (2007)

Illicit drugs:
transit point along the Balkan route for Southwest Asian heroin to Western Europe; has been used as a transit point for maritime shipments of South American cocaine bound for Western Europe (2008)