| Country | Disputes |
| Reunion | none |
| Romania | has not resolved claims to Ukrainian-administered Zmyinyy (Snake) Island and Black Sea maritime boundary despite ongoing talks based on 1997 friendship treaty to find a solution in two years; Hungary amended status law extending special social and cultural benefits to ethnic Hungarians in Romania, who had objected to the law |
| Russia | China continues to seek a mutually acceptable solution to the disputed alluvial islands at the confluence of the Amur and Ussuri Rivers and a small island on the Argun River as part of the 2001 Treaty of Good Neighborliness, Friendship, and Cooperation; the sovereignty dispute over the islands of Etorofu, Kunashiri, Shikotan, and the Habomai group known in Japan as the "Northern Territories" and in Russia as the "Southern Kurils," occupied by the Soviet Union in 1945, now administered by Russia, and claimed by Japan, remains the primary sticking point to signing a peace treaty formally ending World War II hostilities; about a third of the boundary with Georgia remains undelimited and none of it demarcated with several small, strategic segments remaining in dispute; OSCE observers monitor volatile areas such as the Pankisi Gorge in the Akhmeti region and the Argun Gorge in Abkhazia; equidistant seabed treaties have been signed with Azerbaijan and Kazakhstan in the Caspian Sea but no consensus on dividing the |
| Rwanda | Tutsi, Hutu, Hema, Lendu, and other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated areas and natural resources - government heads pledge to end conflicts, but localized violence continues despite UN peacekeeping efforts |