Italy
- Baronia Castle, municipality in the province of Avellino
- Castel Boglione, municipality in the province of Asti
- Castel Bolognese, municipality in the province of Ravenna
- Castel Campagnano, municipality in the province of Caserta
- Castagna Castle, municipality in the province of Teramo
- Castel Colonna, municipality in the province of Ancona
- Condino Castle, municipality in the province of Trento
- Castel d'Aiano, municipality in the province of Bologna
- Castel d'Ario, municipality in the province of Mantua
- Castel d'Azzano, municipality in the province of Varese
- Castel del Giudice, municipality in the province of Isernia
- Castel del Monte, municipality in the province ofEagle
- Castel del Piano, municipality in the province of Grosseto
- Castel del Rio, municipality in the province of Bologna
- Castel of Casio, municipality in the province of Bologna
- Castel of Yesterday, municipality in the province ofEagle
- Castel of Iudica, municipality in the province of Catania
- Castel di Lama, municipality in the province of Ascoli Piceno
- Castel di Lucio, municipality in the province of Messina
- Castel di Sangro, municipality in the province ofEagle
- Castel di Sasso, municipality in the province of Caserta
- Castel di Tora, municipality in the province of Rieti
- Castel Focognano, municipality in the province of Arezzo
- Castel Frentano, municipality in the province of Chieti
- Castel Gabbiano, municipality in the province of Cremona
- Castel Gandolfo, municipality in the province of Rome
- Castel Giorgio, municipality in the province of Terni
- Castel Goffredo, municipality in the province of Mantua
- Castel Guelfo of Bologna, municipality in the province of Bologna
- Lagopesole Castle, fraction of Avigliano, in the province of Power
- Castel Madama, municipality in the province of Rome
- Castel Maggiore, municipality in the province of Bologna
- Castel Mella, municipality in the province of Brescia
- Castel Morrone, municipality in the province of Caserta
- Castel Ritaldi, municipality in the province of Perugia
- Rocchero Castle, municipality in the province of Asti
- Castel Rozzone, municipality in the province of Bergamo
- Castel San Giorgio, municipality in the province of Salerno
- Castel San Giovanni, municipality in the province of Piacenza
- Castel San Lorenzo, municipality in the province of Salerno
- Castel San Niccolò, municipality in the province of Arezzo
- Castel San Pietro, Swiss municipality of Canton Ticino
- Castel San Pietro Romano, municipality in the province of Rome
- Castel San Pietro Terme, municipality in the province of Bologna
- Castel San Vincenzo, municipality in the province of Isernia
- Sant'Angelo castel, municipality in the province of Rieti
- Castel Sant'Elia, municipality in the province of Viterbo
- Castel Viscardo, municipality in the province of Terni
- Castel Vittorio, municipality in the province of Imperia
- Castel Volturno, municipality in the province of Caserta
