Вытегорский район
Andomsky, Oshtinsky, and Kovzhinsky Districts were all abolished in the 1950s. On December 12, 1955, Oshtinsky District was divided between Vytegorsky and Borisovo-Sudsky Districts. On October 17, 1957, Andomsky District was merged into Vytegorsky District. In 1959, Kovzhinsky District was split between Vashkinsky and Vytegorsky Districts.