Taurida Governorate
In December 1917 the governorate split, with most of its peninsular part forming the Crimean People's Republic (1917-1918), while the rest remained in undefined position including the city of Sevastopol which remained the main naval base of the Black Sea Fleet of the Russian Republic. The mainland counties were declared part of the Ukrainian People's Republic, yet remained under effective of jurisdiction of the Taurida Governorate.