Pehrest-e Olya (, also Romanized as Pehrest-e 'OlyÃÂ; also known as Pahrast, Pahrost, Pahrost-e BÃÂlÃÂ, Pehrost, and Pohrost) is a village in Bala Deh Rural District, Beyram District, Larestan County, Fars province, Iran. At the 2006 census, its population was 163, in 30 families.