Arpa Darreh (Persian: آرپادره, also Romanized as Ārpā Darreh and Ārpādarah; also known as Ārpeh Darreh)[1] is a village in Sardrud-e Olya Rural District, Sardrud District, Razan County, Hamadan Province, Iran.

At the 2006 census, its population was 955, in 229 families.

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

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