This lecture explores the evolving relationship between Norway and Russia in the Arctic region, from a period of cooperation (1993-2013) to the impact of the Ukrainian crisis in 2014. It delves into the geopolitical implications of the Crimea annexation, the changing dynamics in bilateral relations, and the role of NATO. The Svalbard case and the environmental challenges in the Barents Sea are also discussed, highlighting the common interests and global issues faced by both countries.