Slovakia-Austria: none identified

Slovakia-Czechia: none identified

Slovakia-Hungary: initiated by the 1977 Budapest Treaty, Hungary and formerly Czechoslovakia agreed to a hydroelectric dam project on the Danube with dams to be constructed at Gabcikovo (Slovakia) and Nagymaros (Hungary) to prevent floods, improve river navigability, and to generate electricity; when Hungary suspended work on the project until its environmental impact could be assessed, Slovakia continued working on it and adopted a pared down strategy to divert the Danube so that all construction was within Czechoslovakian territory; Hungary terminated the project on environmental and economic grounds in 1989, and in 1992 both countries took the matter to the International Court of Justice (ICJ); the ICJ found largely in favor of then Slovakia, finding Hungary had breached their agreement; however, then Czechoslovakia should not have begun the alternative plan before the ICJ ruled on the case; in 2017, Hungary and Slovakia agreed to discontinue the ICJ proceedings

Slovakia-Poland: none identified

Slovakia-Ukraine: tens of thousands of Ukrainian refugees are crossing the border to Slovakia to escape the Russian invasion in their country

piracy remains a problem in the Malacca Strait

Malaysia-Brunei: per Letters of Exchange signed in 2009, Malaysia in 2010 ceded two hydrocarbon concession blocks to Brunei; in 2009, the media reported that Brunei had dropped its claims to the Limbang corridor, but Brunei responded that the subject had never been discussed during recent talks between the two countries

Malaysia-China-Philippines-Vietnam: while the 2002 "Declaration on the Conduct of Parties in the South China Sea" has eased tensions over the Spratly Islands, it is not the legally binding "code of conduct" sought by some parties, which is currently being negotiated between China and ASEAN; Malaysia was not party to the March 2005 joint accord among the national oil companies of China, the Philippines, and Vietnam on conducting marine seismic activities in the Spratly Islands

Malaysia-Indonesia: land and maritime negotiations with Indonesia are ongoing, and disputed areas include the controversial Tanjung Datu and Camar Wulan border area in Borneo and the maritime boundary in the Ambalat oil block in the Celebes Sea

Malaysia-Philippines: Philippines retains a dormant claim to the eastern part of Malaysia's Sabah State in northern Borneo

Malaysia-Singapore: disputes continue over deliveries of fresh water to Singapore, Singapore's land reclamation, bridge construction, and maritime boundaries in the Johor and Singapore Straits; in 2008, the International Court of Justice awarded sovereignty of Pedra Branca (Pulau Batu Puteh/Horsburgh Island) to Singapore, and Middle Rocks to Malaysia but did not rule on maritime regimes, boundaries, or disposition of South Ledge

Malaysia-Thailand: in 2008, separatist violence in Thailand's predominantly Muslim southern provinces prompts Malaysia to take measures to close and to monitor the border with Thailand to stem terrorist activities

managed maritime boundary disputes with the US at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and the Gulf of Maine, including the disputed Machias Seal Island and North Rock; Canada and the United States dispute how to divide the Beaufort Sea and the status of the Northwest Passage but continue to work cooperatively to survey the Arctic continental shelf; US works closely with Canada to intensify security measures for monitoring and controlling legal and illegal movement of people, transport, and commodities across the international border; commencing the collection of technical evidence for submission to the Commission on the Limits of the Continental Shelf in support of claims for continental shelf beyond 200 nm from its declared baselines in the Arctic, as stipulated in Article 76, paragraph 8, of the UN Convention on the Law of the Sea