Kazan Governorate, together with seven other governorates, was established on December 29 [O.S. December 18], 1708, by TsarPeter the Great's edict[1] on the lands of the Khanates of Kazan, Sibir, and Astrakhan, with addition of some lands from the Nogai Horde. These were the areas historically governed by the Kazan Palace's Prikaz. As with the rest of the governorates, neither the borders nor internal subdivisions of Kazan Governorate were defined; instead, the territory was defined as a set of cities and the lands adjacent to those cities.[2]
¹ Italics indicates renamed or abolished governorates, oblasts, etc on 1 January 1914. ² An asterisk (+) indicates governorates formed or created with renaming after 1 January 1914. ³ Ostsee or Baltic general-governorship was abolished in 1876.