Zanagu (Persian: زنگو, also Romanized as Zanagū and Zanakū)[1] is a village in Seh Qaleh Rural District, Seh Qaleh District, Sarayan County, South Khorasan Province, Iran.

At the 2006 census, its population was 569, in 150 families.

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

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