Crown of Castile
- Ruling Houses
-
House of Burgundy
- Duchies
-
Duchy of Alba
-
Duchy of Alburquerque
-
Duchy of Arjona
-
Duchy of Badajoz
-
Duchy of Benavente
-
Duchy of Cádiz
-
Duchy of Galisteo
-
Duchy of Medina Sidonia
-
Duchy of Molina
-
Duchy of Plasencia
-
Duchy of Villena
-
Duchy of Medinaceli
- Marquisates
-
Marquisate of Villafranca del Bierzo
- Counties
-
County of Alba de Liste
-
County of Benavente
-
County of Buelna
-
County of Cabra
-
County of Cifuentes
-
County of Feria
-
County of Fuensalida
-
County of Lemos
-
County of Los Molares
-
County of Noreña
-
County of Ribadeo
-
County of Trastámara
-
County of Ureña
- Lordships
-
Lordship of Alconchel
-
Lordship of Aguilar de Campo
-
Lordship of Biscay
-
Lordship of Caleruega
-
Lordship of Marchena
-
Lordship of Moguer
-
Lordship of Molina
-
Lordship of Sanlúcar
-
Lordship of Salas
-
Lordship of Valencia de Campos
-
Lordship of Valdivia
-
Lordship of Villafranca
-
Lordship of Villalba de los Barros
- Noble Houses
-
House of Alba de Tormes
-
House of Álvarez
-
House of Caleruega
-
House of Castro
-
House of De la Cerda Ancient
-
House of De la Cerda
-
House of Cisneros
-
House of Colon
-
House of Dávila
-
House of De Córdoba
-
House of De la Cueva
-
House of Enríquez
-
House of Figueroa
-
House of Galeano
-
House of Giron Ancient
-
House of Giron
-
House of Gotor
-
House of De Guzmán
-
House of De Haro Ancient
-
House of De Haro
-
House of Lamuño
-
House of Manrique de Lara
-
House of Mendoza
-
House of Messía
-
House of Niño
-
House of Pimentel
-
House of Ponce de León
-
House of Portocarrero
-
House of Ribera
-
House of Rojas
-
House of Salvador
-
House of Sandoval
-
House of Silva
-
House of Sotomayor
-
House of Valdivia
-
House of Vargas
-
House of Velasco
-
House of de Villaines
-
House of Villalobos
-
House of Villegas
-
House of de Villena
-
House of Zúñiga
