Yaroslavl Oblast was created on March 11, 1936, it included most of the former Yaroslavl Governorate added with a big part of the foremer Kostroma Governorate, along with the City of Kostroma itself, and Pereslavl-Zalessky of the Vladimir Governorate.
North Governorate | Kostroma | Vilna Governorate | Beqaa Governorate | Vologda Governorate | Kovno Governorate | Dohuk Governorate | Al Anbar Governorate | Vitebsk Governorate | Saint Petersburg Governorate | Hadhramaut Governorate | Al Anbar governorate election, 2013 | Moscow Governorate | Minya Governorate | Kostroma Oblast | Irbid Governorate | Grodno Governorate | Governorate of Livonia | Dakahlia Governorate | Amman Governorate | Zarqa Governorate | South Governorate | Northern Dvina Governorate | Luxor Governorate | Jerash Governorate | Governorate of Estonia | Dhamar Governorate | Courland Governorate | Balqa Governorate | Baku Governorate |