Hamzeh Deh-e Olya (, also Romanized as Ḩamzeh Deh-e âÂÂOlyÃÂ; also known as Ḩamzeh Deh-e BÃÂlÃÂ) is a village in Baladeh Kojur Rural District, in the Central District of Nowshahr County, Mazandaran Province, Iran. At the 2016 census, its population was 707, in 206 families. Up from 593 people in 2006.