Gavzan Mahalleh-ye Rudbast

 Rudbast (, also Romanized as Rūdbast; also known as Gāv Zan Kolā and Gavzan Maḩalleh) is a village in Babolrud Rural District, in the Central District of Babolsar County, Mazandaran Province, Iran. At the 2006 census, its population was 2,036, in 547 families.