Disputes - international:
bilateral government, legal, technical and economic working group negotiations continue in 2006 with Slovakia over Hungary's failure to complete its portion of the Gabcikovo-Nagymaros hydroelectric dam project along the Danube; as a member state that forms part of the EU's external border, Hungary has implemented the strict Schengen border rules

Refugees and internally displaced persons:
refugees (countries of origin): 5,950 applicants for forms of legal stay other than asylum (Ukraine) (2015)
stateless persons: 135 (2016)
note: 432,430 estimated refugee and migrant arrivals (January 2015 - February 2018); Hungary is predominantly a transit country and hosts fewer than 600 migrants and asylum seekers as of November 2017

Illicit drugs:
transshipment point for Southwest Asian heroin and cannabis and for South American cocaine destined for Western Europe; limited producer of precursor chemicals, particularly for amphetamine and methamphetamine; efforts to counter money laundering, related to organized crime and drug trafficking are improving but remain vulnerable; significant consumer of ecstasy