Chak Sar (Persian: چاكسر, also Romanized as Chāk Sar)[1] is a village in Sharq va Gharb-e Shirgah Rural District, North Savadkuh County, Mazandaran Province, Iran.

At the 2016 census, its population was 273, in 100 families.

[2] This Savadkuh County location article is a stub.

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