# Saint-Cast-le-Guildo

> commune in Côtes-d'Armor, France

**Wikidata**: [Q453076](https://www.wikidata.org/wiki/Q453076)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Saint-Cast-le-Guildo)  
**Source**: https://4ort.xyz/entity/saint-cast-le-guildo

## Summary
Saint-Cast-le-Guildo is a commune located in the Côtes-d'Armor department of Brittany, France. It is part of the Dinan Agglomération intercommunality and the arrondissement of Dinan, with a population of approximately 3,449 residents. The commune is known for its historical significance and administrative role within the region.

## Key Facts
- **Location**: Part of the Côtes-d'Armor department in Brittany, France.
- **Intercommunality**: Belongs to the Dinan Agglomération, established on January 1, 2017.
- **Administrative Arrondissement**: Part of the arrondissement of Dinan.
- **Population**: Estimated at 3,449 residents (2023 data).
- **Coordinates**: Latitude 48.629444, Longitude -2.257777.
- **Website**: [Official website](https://villedesaintcastleguildo.fr).
- **Historical Context**: Founded as part of the French administrative system, with its commune status established in 1789.
- **Related Entities**: Connected to the canton of Matignon and the commune of France as a territorial subdivision.

## FAQs
**What is the population of Saint-Cast-le-Guildo?**
Saint-Cast-le-Guildo has a population of approximately 3,449 residents, with historical data showing fluctuations over the years, including estimates as low as 2,227 in earlier records.

**Where is Saint-Cast-le-Guildo located?**
Saint-Cast-le-Guildo is situated in the Côtes-d'Armor department of Brittany, France, within the Dinan Agglomération and the arrondissement of Dinan.

**What is the administrative structure of Saint-Cast-le-Guildo?**
The commune is part of the Dinan Agglomération, established in 2017, and falls under the arrondissement of Dinan. It is also connected to the canton of Matignon.

**What is the official website of Saint-Cast-le-Guildo?**
The official website of Saint-Cast-le-Guildo is [villedesaintcastleguildo.fr](https://villedesaintcastleguildo.fr).

**What are the historical population figures for Saint-Cast-le-Guildo?**
Historical population data includes estimates such as 3,387 in 2016, 3,428 in 2017, and as low as 2,227 in earlier records, reflecting fluctuations over time.

## Why It Matters
Saint-Cast-le-Guildo plays a significant role as a local administrative and communal entity within the Côtes-d'Armor department of Brittany, France. Its population and administrative connections highlight its importance in regional governance and urban planning. The commune’s historical data and official website demonstrate its active participation in local governance and community development. Its inclusion in the Dinan Agglomération and arrondissement of Dinan underscores its role in broader regional infrastructure and services.

## Notable For
- **Administrative Role**: Serves as a commune within the Côtes-d'Armor department, contributing to regional governance.
- **Population Management**: Manages a population of approximately 3,449 residents, with historical data showing fluctuations.
- **Intercommunality Membership**: Part of the Dinan Agglomération, established in 2017, enhancing regional coordination.
- **Arrondissement Connection**: Linked to the arrondissement of Dinan, supporting broader administrative functions.
- **Official Digital Presence**: Maintains an active official website for community engagement and administrative transparency.

## Body
### Geography and Location
Saint-Cast-le-Guildo is situated in the Côtes-d'Armor department of Brittany, France, with coordinates at latitude 48.629444 and longitude -2.257777. The commune is part of the Dinan Agglomération and the arrondissement of Dinan, reflecting its role within regional administrative structures.

### Administrative Structure
The commune is connected to the canton of Matignon and the commune of France as a territorial subdivision. It is also part of the Dinan Agglomération, established on January 1, 2017, which enhances regional coordination and service delivery.

### Population and Demographics
Saint-Cast-le-Guildo has a population of approximately 3,449 residents, with historical data showing fluctuations over the years. Estimates include 3,387 in 2016, 3,428 in 2017, and as low as 2,227 in earlier records, indicating changes in residential patterns and growth.

### Official Presence
The commune maintains an active official website at [villedesaintcastleguildo.fr](https://villedesaintcastleguildo.fr), providing residents and visitors with access to local services, administrative information, and community updates.

### Historical Context
Saint-Cast-le-Guildo was established as part of the French administrative system, with its commune status dating back to 1789. Its inclusion in the arrondissement of Dinan and the canton of Matignon underscores its long-standing role in regional governance and infrastructure.

## References

1. BnF authorities
2. dataset of postal codes in France. 2018
3. INSEE code
4. répertoire géographique des communes
5. Freebase Data Dumps. 2013
6. Annuaire de service-public.fr
7. MusicBrainz
8. Recensement de la population 2015. National Institute of Statistics and Economic Studies. 2017
9. Populations légales 2016
10. Populations légales 2017
11. Populations légales 2018
12. [Populations légales communales depuis 1968. National Institute of Statistics and Economic Studies](https://www.insee.fr/fr/statistiques/2522602)
13. Populations légales 2019
14. Populations légales 2020
15. Populations légales 2021
16. Populations de référence 2022
17. Populations de référence 2023
18. [Code officiel géographique](https://www.insee.fr/fr/information/3363419)
19. [Source](http://cassini.ehess.fr/cassini/fr/html/fiche.php?select_resultat=30823)
20. National Institute of Statistics and Economic Studies
21. GeoNames
22. [répertoire géographique des communes. 2015](https://wxs-telechargement.ign.fr/83edtfdyqte031y0ra49d2e3/telechargement/inspire/RGC-2015-01$RGC2015/file/RGC2015.7z)
23. [2016](https://data.geopf.fr/telechargement/download/GEOFLA/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28.7z)
24. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
25. [Code officiel géographique. 2017](https://www.insee.fr/fr/information/2560698)
26. National Library of Israel Names and Subjects Authority File