Disputes - international:
the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Piran 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 member state that forms part of the EU's external border, Slovenia has implemented the strict Schengen border rules to curb illegal migration and commerce through southeastern Europe while encouraging close cross-border ties with Croatia

Illicit drugs:
minor transit point for cocaine and Southwest Asian heroin bound for Western Europe, and for precursor chemicals