Vologda Governorate
On August 7, 1924, Gryazovetsky Uyezd was abolished and the territory was included into Vologodsky Uyezd. On July 15, 1929, several governorates, including Vologda Governorate, were merged into Northern Krai, the uyezds were abolished, and Gryazovets became the administrative center of the newly established Gryazovetsky District.