Ustyansky District is an administrative district (
raion), one of the
twenty-one in
Arkhangelsk Oblast,
Russia. As a municipal division, it is incorporated as
Ustyansky Municipal District. It is located in the south of the
oblast and borders with
Verkhnetoyemsky District in the northeast,
Krasnoborsky and
Kotlassky Districts in the east,
Velikoustyugsky,
Nyuksensky,
Tarnogsky, and
Verkhovazhsky Districts, all of
Vologda Oblast, in the south,
Velsky District in the west, and with
Shenkursky District in the northwest. The area of the district is . Its
administrative center is the
urban locality (an
urban-type settlement) of
Oktyabrsky. Population: The population of Oktyabrsky accounts for 30.4% of the district's total population.