Last name Зарех (Zareh 
, Зарех 
, Zarekh 
) , all over the world, is a rare surname. The surname Зарех is characteristic of Armenia, where it is quite a rare surname, Iran, where it is a rare surname, and New Zealand. Not in comparison with a country's population, this name is the most popular in Iran, Egypt, and the United States. Also, Зарех is the forename as well as the last name.