Gheorgheni is a municipality in Harghita County, Romania. It lies in the Székely Land, an ethno-cultural region in eastern Transylvania. The city administers four villages: Covacipeter / Kovácspéter • Lacu Roșu / Gyilkostó • Vargatac / Vargatag • Visafolio / Visszafolyó. Nearby are two natural sites, the Red Lake and Cheile Bicazului, a narrow canyon through the Eastern Carpathian Mountains forming the border with Neamț County.
Gheorgheni has a population of over 18,377 people.
Gheorgheni is twinned with: Békés, Hungary • Budapest 17th District, Hungary • Cegléd, Hungary • Eger, Hungary • Kiskunmajsa, Hungary • Siófok, Hungary • Szigetszentmiklós, Hungary • Bačka Topola, Serbia • Alaverdi, Armenia.