Odorheiu Secuiesc is the second largest municipality in Harghita County, Transylvania, Romania. In its short form, it is also known as Odorhei …Odorheiu Secuiesc is the second largest municipality in Harghita County, Transylvania, Romania. In its short form, it is also known as Odorhei in Romanian and Udvarhely in Hungarian. The Hungarian name of the town "Udvarhely" means "courtyard place".