It was used in the kingdoms of Castile and Navarre. Connected to the birth of Castile, the Merindades, standing for a northernmost comarca of the province of Burgos, was part of the creation of the administrative division by King Peter.[2]
Currently, the Foral Community of Navarre is still divided into five merindades standing for different judicial districts.[2] The historic Merindad de Ultrapuertos lying to the north of the Pyrenees is nowadays Lower Navarre.[4][5]
Administratively, they have been substituted by the partido judicial.
In Biscay, the mancomunidades comarcales keep the place of the old merindades, such as Duranguesado.