 Tuapse, a port on the Black Sea, was considered for the role of the administrative center, but the idea was rejected as it would give the native population access to the sea.On September 13, 1937, Azov-Black Sea Krai was split into Krasnodar Krai and Rostov Oblast, and Adyghe Autonomous Oblast was subordinated to the former.Maykopsky District was formed on February 21, 1940, into which Tulsky District of Krasnodar Krai was merged on April 28, 1962.