It is the current de facto controller of Crimea, and claims it as part of its territory since 2014, despite international opposition. It also has a long historical and cultural connection with Crimea, dating back to the 18th century.
It is the internationally recognized sovereign of Crimea, and considers the Russian annexation as illegal and a violation of its territorial integrity. It also has a significant population of ethnic Ukrainians and Crimean Tatars in Crimea.
It is a regional power that has a historical and cultural link with Crimea, especially with the Crimean Tatars, who are Turkic people. It also opposes the Russian annexation and supports the Ukrainian sovereignty over Crimea.
It is a global superpower that has a strategic and political interest in Crimea, and views the Russian annexation as a threat to the international order and security. It also supports the Ukrainian sovereignty and imposes sanctions on Russia.
It is a regional bloc that has a economic and political interest in Crimea, and condemns the Russian annexation as a breach of international law and human rights. It also supports the Ukrainian sovereignty and imposes sanctions on Russia.