the islands to the USSR. However, this stipulation was not included in the treaty of Capitulation of Japan which later gave Japan a chance to demand the return of the "controversial northern territories". However, the disputed territory is currently administered by the Russian Federation, and the majority of inhabitants of the disputed territory are supportive of Russian administration, because all the Japanese inhabitants were expelled from the islands in 1946. Territorial issues between Estonia and Russia regarding some territories of Pskov and Leningrad Oblast of Russia are still unresolved. The 2005 treaty on Estonia–Russia border was not ratified by the Russian side. Negotiations were reopened in 2012 and the Treaty was signed in February 2014, but ratification is still pending. In March 2022, President Putin sent the Estonian-Russia Border Agreement to the Russian-State Duma to be ratified, but nothing has come of it as of July 2022. Disputes over the boundary with Georgia relating to Russia's recognition of Georgian regions, South Ossetia and Abkhazia as independent states, due to the 2008 South Ossetia war and which has led to the severance of all diplomatic relations between them. Following the breakup of the Soviet Union, the Russian Federation refused to recognize Ukrainian sovereignty over Sevastopol as well as over the surrounding Crimean Oblast, using the argument that the city was never practically integrated into the Ukrainian SSR because of its military status. This claim was relinquished in the bilateral Peace and Friendship Treaty, which confirmed that both the Crimea and Sevastopol belong to Ukraine. A separate treaty established the terms of a long-term lease of land and resources in and around Sevastopol by Russia. In the Annexation of Crimea by the Russian Federation of early 2014 Crimea was annexed by Russia. Since then status of the Crimea and of the city of Sevastopol is currently under dispute between Russia and Ukraine; Ukraine and the majority of the UN members consider Crimea to be an autonomous republic of Ukraine and Sevastopol to be one of Ukraine's cities with special status, while Russia and other UN members, on the other hand, consider Crimea to be a federal subject of Russia and Sevastopol to be one of Russia's federal cities. On 31 March 2014 the State Duma approved the denunciation of the above-mentioned Peace and Friendship Treaty and long-term lease of land in Sevastopol. Russia officially does not recognize "Crimea question" as a ground