Maritime Delimitation in the Black Sea case

Map of the Black Sea and surrounding area, with red and blue boundary lines — Maritime boundaries claimed by Romania (red) and Ukraine (blue)

The Case concerning maritime delimitation in the Black Sea (Romania v Ukraine) [2009] ICJ 3 was a decision of the International Court of Justice (ICJ). On September 16, 2004, Romania brought its case to the court after unsuccessful bilateral negotiations. On February 3, 2009, the court handed down its verdict, establishing a maritime boundary including the continental shelf and exclusive economic zones for Romania and Ukraine.