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The area of Harghita County is 6,639 square kilometers.
The population density of Harghita County is 52 people per square kilometer.
South of Odorheiu Secuiesc, Harghita County, Transylvania (Romania),
The country code and area code of Harghita, Romania is 40, (0)266.
The distance between Budapest and Miercurea Ciuc (Harghita) is ca. 710 km on highway.