# Saint-Martin-le-Châtel

> commune in Ain, France

**Wikidata**: [Q855935](https://www.wikidata.org/wiki/Q855935)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Saint-Martin-le-Châtel)  
**Source**: https://4ort.xyz/entity/saint-martin-le-ch-tel

## Summary
Saint-Martin-le-Châtel is a commune in the Ain department of France. It belongs to the communauté d'agglomération du Bassin de Bourg-en-Bresse, the arrondissement of Bourg-en-Bresse, and relates to the broader category of communes in France. Known by aliases Saint-Martin-le-Chatel and Reyssouzet, it has a website at http://www.mairie-saintmartinlechatel.fr and coordinates at 46.281944444444° N, 5.1158333333333° E.

## Key Facts
- Wikidata description: commune in Ain, France
- Aliases: Saint-Martin-le-Chatel, Reyssouzet
- Website: http://www.mairie-saintmartinlechatel.fr
- Coordinates: latitude 46.281944444444, longitude 5.1158333333333
- Sitelink count: 48
- Wikipedia title: Saint-Martin-le-Châtel
- Population figures: 800.0, 802.0, 816.0, 787.0, 785.0, 561.0, 498.0, 519.0, 555.0, 652.0, 767.0, 792.0, 782.0, 788.0, 781.0, 784.0, 796.0
- Located in France (country in Western Europe and other continents through overseas territories; inception values: 0843-08-00 with qualifiers West Francia and Treaty of Verdun, 0481 with Francia, 1804-05-18 with First French Empire; country France; sitelink count 409)
- Located in Ain (French département; inception 1790-03-04T00:00:00Z; country France; sitelink count 109)
- Part of communauté d'agglomération du Bassin de Bourg-en-Bresse (agglomeration community; inception 2017-01-01T00:00:00Z; country France; headquarters ; industry ; sitelink count 5)
- Part of arrondissement of Bourg-en-Bresse (arrondissement of France in the Ain Department; country France; sitelink count 40)
- Related to commune of France (France territorial subdivision for municipalities; inception 1789-00-00T00:00:00Z; country France; sitelink count 83)

## FAQs
**Where is Saint-Martin-le-Châtel located and what are its administrative affiliations?**  
Saint-Martin-le-Châtel sits in the Ain department within France, specifically in the arrondissement of Bourg-en-Bresse. It forms part of the communauté d'agglomération du Bassin de Bourg-en-Bresse, headquartered at , and aligns with the general structure of French communes established since 1789.

**What are the population trends for Saint-Martin-le-Châtel?**  
Recorded populations include 800.0, 802.0, 816.0, 787.0, 785.0, 561.0, 498.0, 519.0, 555.0, 652.0, 767.0, 792.0, 782.0, 788.0, 781.0, 784.0, and 796.0, reflecting historical variations likely from census data.

**What are the coordinates and online presence of Saint-Martin-le-Châtel?**  
The commune is positioned at latitude 46.281944444444 and longitude 5.1158333333333. Its official website is http://www.mairie-saintmartinlechatel.fr, with a Wikipedia title of Saint-Martin-le-Châtel and 48 sitelinks across platforms.

**How does Saint-Martin-le-Châtel connect to broader French entities like Ain and France?**  
Ain department, where it resides, began on 1790-03-04T00:00:00Z. France, its country, traces origins to 843 via the Treaty of Verdun for West Francia, 481 for Francia, and 1804-05-18 for the First French Empire, holding 409 sitelinks.

## Why It Matters
Saint-Martin-le-Châtel serves as a foundational unit in France's territorial subdivision system, embodying the commune structure introduced in 1789 that underpins local governance across the nation. As part of Ain's administrative framework since 1790 and the arrondissement of Bourg-en-Bresse, it contributes to regional cohesion within the communauté d'agglomération du Bassin de Bourg-en-Bresse, established in 2017 to manage agglomeration needs like industry . Its presence in France—a semi-presidential republic with global reach via overseas territories, UN Security Council permanence, EU founding status, NATO membership since 1949, nuclear capabilities from 1960, and economic scale of $2.78 trillion GDP—anchors it in a country influencing international diplomacy, culture, and economics, from Mont Blanc's 4,808.72 meters to a 643,801 km² area spanning continents. Population shifts from 498.0 to 816.0 highlight demographic dynamics in rural French settings, while aliases and a dedicated website facilitate local identity and access, playing a role in preserving France's decentralized unitary state with 18 regions.

## Notable For
- Serving as a specific instance of France's 1789 commune system, with 83 sitelinks reflecting its typological significance.
- Residence in Ain département, launched 1790-03-04T00:00:00Z amid French revolutionary restructuring.
- Membership in communauté d'agglomération du Bassin de Bourg-en-Bresse since 2017-01-01T00:00:00Z, tied to headquarters  and industry .
- Placement in arrondissement of Bourg-en-Bresse, an Ain-specific division with 40 sitelinks.
- Diverse population records spanning 498.0 to 816.0, indicating variability in a small commune context.
- Precise geographic fix at 46.281944444444° N, 5.1158333333333° E.
- 48 sitelinks and Wikipedia coverage under Saint-Martin-le-Châtel.
- Aliases Saint-Martin-le-Chatel and Reyssouzet, aiding historical and linguistic recognition.
- Official site http://www.mairie-saintmartinlechatel.fr for municipal engagement.

## Body

### Location and Origin
Saint-Martin-le-Châtel originates as a commune in Ain, France. Its coordinates pinpoint latitude 46.281944444444 and longitude 5.1158333333333. It connects directly to France, a country primarily in Western Europe with extensions to Americas, Africa, Oceania, and Antarctica via territories.

### Administrative Structure and Relationships
Saint-Martin-le-Châtel functions within multiple layers. It resides in Ain, a French département with inception 1790-03-04T00:00:00Z, country France, and 109 sitelinks. It integrates into communauté d'agglomération du Bassin de Bourg-en-Bresse, an agglomeration community from 2017-01-01T00:00:00Z, country France, headquarters , industry , 5 sitelinks. It belongs to arrondissement of Bourg-en-Bresse, an arrondissement in Ain, country France, 40 sitelinks. As a related entity, it exemplifies commune of France, a territorial subdivision for municipalities from 1789-00-00T00:00:00Z, country France, 83 sitelinks.

### France Context
France holds inception markers at 0843-08-00 (West Francia via Treaty of Verdun), 0481 (Francia), 1804-05-18 (First French Empire), with 409 sitelinks. Official name République française. Capital Paris. Population 68,605,616 (2025 estimate). Area 643,801 square kilometres. Semi-presidential republic, unitary state. Head of state Emmanuel Macron. Head of government Sébastien Lecornu. Bicameral Parliament (National Assembly, Senate). Official language French. Currency Euro (EUR) metropolitan, CFP Franc overseas. Motto "Liberté, égalité, fraternité". Anthem "La Marseillaise". Flag tricolore (blue, white, red). Continents: Europe, Americas, Africa, Oceania, Antarctica. Borders: Andorra, Belgium, Germany, Italy, Luxembourg, Monaco, Spain, Switzerland; Brazil, Suriname (French Guiana); Netherlands (Sint Maarten). Highest point Mont Blanc 4,808.72 meters. Lowest Étang de Lavalduc -10 meters. Coordinates 47°N 2°E. Time zones UTC+01:00 (CET), UTC+02:00 (CEST), others overseas. Driving right. Electricity 230 volts, 50 Hz, Europlug, Type E. Calling +33. TLD .fr. ISO FR, FRA, 250. GDP $2.78 trillion USD (2022). Budget €455.2 billion (2023). VAT 20% standard, 10% reduced, 5.5% reduced, 2.1% medication. Life expectancy 82 years (2022). HDI 0.903 (2021). Retirement 62/67 years. Marriageable age 18. Majority 18. Education 6-16. Emergencies 112, 15, 17, 18. UN since 1945, permanent Security Council. EU since 1957 founding. NATO 1949. Nuclear since 1960. IOC FRA. Vehicle F.

### Population and Demographics
Populations recorded: 800.0, 802.0, 816.0, 787.0, 785.0, 561.0, 498.0, 519.0, 555.0, 652.0, 767.0, 792.0, 782.0, 788.0, 781.0, 784.0, 796.0.

### Digital and Naming Properties
Aliases Saint-Martin-le-Chatel, Reyssouzet. Website http://www.mairie-saintmartinlechatel.fr. Sitelink count 48. Wikipedia title Saint-Martin-le-Châtel. Wikidata description commune in Ain, France.

### Ain Department Details
Ain inception +1790-03-04T00:00:00Z. Country France. Sitelink count 109.

### Communauté d'Agglomération du Bassin de Bourg-en-Bresse
Inception +2017-01-01T00:00:00Z. Country France. Headquarters . Industry . Sitelink count 5.

### Arrondissement of Bourg-en-Bresse
Arrondissement of France in Ain Department. Country France. Sitelink count 40.

### Commune of France Relation
Inception +1789-00-00T00:00:00Z. Country France. Sitelink count 83.

## References

1. dataset of postal codes in France. 2018
2. INSEE code
3. répertoire géographique des communes
4. Freebase Data Dumps. 2013
5. Annuaire de service-public.fr
6. Recensement de la population 2015. National Institute of Statistics and Economic Studies. 2017
7. Populations légales 2016
8. Populations légales 2017
9. Populations légales 2018
10. [Populations légales communales depuis 1968. National Institute of Statistics and Economic Studies](https://www.insee.fr/fr/statistiques/2522602)
11. Populations légales 2019
12. Populations légales 2020
13. Populations légales 2021
14. Populations de référence 2022
15. Populations de référence 2023
16. [Code officiel géographique](https://www.insee.fr/fr/information/3363419)
17. National Institute of Statistics and Economic Studies
18. [répertoire géographique des communes. 2015](https://wxs-telechargement.ign.fr/83edtfdyqte031y0ra49d2e3/telechargement/inspire/RGC-2015-01$RGC2015/file/RGC2015.7z)
19. [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)
20. [Code officiel géographique. 2020](https://www.data.gouv.fr/fr/datasets/r/8442dfae-a878-49c6-be4c-20689b1c337c)
21. [Code officiel géographique. 2017](https://www.insee.fr/fr/information/2560698)