| Where |
| Region | The Marches |
| Province | Ancona (AN) |
| Zone | Central Italy |
| Population |
18,679 (M 9,141; F 9,538)
Density (per square km): 571.2 |
| Info |
| Number of Families | 7,404 |
| Housing Units | 6,239 |
| Population Name | castelfidardensi |
| Patron Saint | San Vittore |
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| Castelfidardo City Hall |
Address: Piazza della Repubblica, 8 - 60022 Castelfidardo - ITALY
Phone Number: (+39) 071-78291; Fax: (+39) 071-7829316
Mayor: Roberto Ascani |
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| Town Twinning |
 Klingenthal (Vogtlandkreis district, State of Saxony, Germany), since May 2003 |
| Castelvetro di Modena (Emilia-Romagna), since 1984 |
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City of Castelfidardo (AN): The Marches Region (Marche) - Italy. Population, official site, zip code and post office, town profile, useful link. Mayor: Roberto Ascani
Castelleone di Suasa 
Castelbellino 
List
