On the establishment of state borders and delimitation of marine areas of the Russian Federation in the Kaliningrad region zone
... the state border of the Russian Federation and the delimitation of marine areas in the Baltic Sea with Lithuania, Poland, and Sweden in 2005 made it possible to define the geographical parameters of the territory of the Kaliningrad region and adjacent territorial waters and the Russian exclusive economic zone.
1. Границы Литвы. Тысячелетняя история / З. Куметайтис [и др.] ; пер. с лит.Вильнюс, 2010.
2. О государственной границе ...
