Alto Alentejo
- Castle of Alegrete, Alegrete, Portalegre
- Castle of Alpalhão, Alpalhão, Nisa
- Castle of Alter do Chão, Alter do Chão, Alter do Chão
- Castle of Alter Pedroso, Alter do Chão, Alter do Chão
- Castle of Amieira do Tejo, Amieira do Tejo, Nisa
- Castle of Assumar, Assumar, Monforte
- Castle of Avis, Avis, Avis
- Castle of Barbacena, Barbacena, Elvas
- Castle of Belver, Belver, Gavião
- Castle of Campo Maior, São João Baptista, Campo Maior
- Castle of Castelo de Vide, Santa Maria de Devassa, Castelo de Vide
- Castle of Crato, Crato e Mártires, Crato
- Castle of Elvas, Alcáçova, Elvas
- Castle of Fontalva, Barbacena, Elvas
- Castle of Marvão, Marvão, Marvão
- Castle of Monforte, Monforte, Monforte
- Castle of Montalvão, Montalvão, Nisa
- Castle of Ouguela, São João Baptista, Campo Maior
- Castle of Portalegre, Portalegre, Portalegre
- Castle of Seda, Seda, Alter do Chão
- Castle of Torrejão, São Julião, Portalegre
Read more about this topic: List Of Castles In Portugal, Alentejo Region