Subdivisions of San Marino
The Republic of San Marino comprises nine castelli as its first-level administrative divisions. Each castle is led by a castle captain and a castle council, elected every five years.
Like Italian comune, each castello has a capital, with other population centers sorted into Curazia. The country contains 44 curazie, the lowest administrative unit beneath its Municipalities of San Marino. Valdragone and Cailungo are divided into two curazie each, labelled di Sotto and di Sopra.
Castelli
Curazie
| Castelli | Curazie |
| Acquaviva | |
| Borgo Maggiore | |
| Chiesanuova | |
| Città di San Marino | |
| Domagnano | |
| Faetano | |
| Fiorentino | |
| Montegiardino | |
| Serravalle |