How was the location of the crimea significant

The location of the Crimea was significant because it had port access to the Black Sea.

Crimes had constantly critical significance for Russia, as a result of Sevastopol Russian maritime port.

Only for the record, In 1997, Russia and Ukraine marked the Partition Treaty, setting up two autonomous national armadas and separating combat hardware and bases between them. Ukraine likewise consented to rent significant parts of its new bases in Sevastopol to the Russian Black Sea Fleet until 2017.