the ICJ ruled largely in favor of Romania in its dispute submitted in 2004 over Ukrainian-administered Zmiyinyy/Serpilor (Snake) Island and Black Sea maritime boundary delimitation; Romania opposes Ukraine's reopening of a navigation canal from the Danube border through Ukraine to the Black Sea
Serbia with several other states protest the US and other states' recognition of Kosovo's declaration of its status as a sovereign and independent state in February 2008; ethnic Serbian municipalities along Kosovo's northern border challenge final status of Kosovo-Serbia boundary; several thousand NATO-led Kosovo Force peacekeepers under UN Interim Administration Mission in Kosovo authority continue to keep the peace within Kosovo between the ethnic Albanian majority and the Serb minority in Kosovo; Serbia delimited about half of the boundary with Bosnia and Herzegovina, but sections along the Drina River remain in dispute
Illicit drugs
major transshipment point for Southwest Asian heroin transiting the Balkan route and small amounts of Latin American cocaine bound for Western Europe; although not a significant financial center, role as a narcotics conduit leaves it vulnerable to laundering, which occurs via the banking system, currency exchange houses, and casinos
transshipment point for Southwest Asian heroin moving to Western Europe on the Balkan route; economy vulnerable to money laundering
Refugees and internally displaced persons
stateless persons: 275 (2020)
note: 7,988 estimated refugee and migrant arrivals (January 2015-August 2021)
refugees (country of origin): 17,972 (Croatia), 8,198 (Bosnia and Herzegovina) (2019)
IDPs: 196,995 (most are Kosovar Serbs, some are Roma, Ashkalis, and Egyptian (RAE); some RAE IDPs are unregistered) (2021)
stateless persons: 2,144 (includes stateless persons in Kosovo) (2020)
note: 779,905 estimated refugee and migrant arrivals (January 2015-August 2021); Serbia is predominantly a transit country and hosts an estimated 6,165 migrants and refugees as of April 2021
