- Source: Hajji Kola, Chahardangeh
Hajji Kola (Persian: حاجي كلا, also Romanized as Ḩājjī Kolā, Ḩājī Kalā, and Ḩājjī Kalā; also known as Ḩājjī Kūlā) is a village in Garmab Rural District, Chahardangeh District, Sari County, Mazandaran Province, Iran. At the 2006 census, its population was 179, in 44 families.