Distribution. From N & E Fennoscandia E across N in Cricetidae

Distribution. From N & E Fennoscandia E across N European Russia and Siberia to Kamchatka, Sakhalin, Hokkaido, some Beringian Is (Unimak and St. Lawrence), Alaska, and N Canada; in the N it follows Siberian rivers to reach the shores of the Arctic Ocean, and in the S the range embraces N Kazakhstan, N Mongolia, N China (Xinjiang, Inner Mongolia [= Nei Mongol], Heilongjiang, and Jilin), and N North Korea. Introduced to Bering and Medny Is, offshore Kamchatka.