The list contains the municipalities belonging to the Székely Seats in the 19th century, before the administrative reform in Hungary. The Seats were the traditional self-governing territorial units of the Transylvanian Székelys during medieval times.
The list includes the municipalities from the Székely Seats in Hungary during the 19th century, preceding the administrative reform. The Seats served as traditional self-governing units for the Transylvanian Székelys throughout medieval times.