Skip to content
Châteaulin

File:Chateaulin_1.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ202374· pop 58· linked from 358 articles

Châteaulin

Sign in to save

Also known as Chateaulin, Ville-sur-Aône, Cité-sur-Aône, Montagne-sur-Aône

Châteaulin (; ) is a commune in the Finistère department and administrative region of Brittany in north-western France. It is a sub-prefecture of the department.

AI overview

Châteaulin is a town in Brittany in northwestern France that serves as a sub-prefecture, meaning it is a secondary administrative center for its department. The town is located in the Finistère department and handles some local governmental functions for the region.

AI-generated from the Wikipedia summary — may contain errors.

Weather now

cached 132h ago
19°clear sky
95% 2.3 m/s OpenWeatherMap

7-day forecast

via Open-Meteo

Place details

Locality
Châteaulin
Region
Bretagne
Country
France
Population
5,379
Timezone
Europe/Paris

via OpenStreetMap · GeoNames

Air quality

34US AQIGood
PM2.5
5.9 µg/m³
PM10
10.5 µg/m³
As of 2026-08-11 02:00 · Open-Meteo

Key facts

French commune.name
Châteaulin
French commune.commune status
Subprefecture and commune
French commune.image
Chateaulin 1.jpg
French commune.caption
Châteaulin and the Aulne
French commune.image coat of arms
Blason ville fr Châteaulin (Finistère).svg
French commune.INSEE
29026
French commune.postal code
29150
French commune.arrondissement
Châteaulin
French commune.canton
Crozon
French commune.mayor
Gaëlle Nicolas
French commune.term
2020–2026
French commune.intercommunality
Pleyben-Châteaulin-Porzay
French commune.elevation min m
2
French commune.elevation max m
206
French commune.area km2
20.81

via Wikipedia infobox

~2 min read

Encyclopedic overview

9 sections
Contents
  • Geography
  • Population
  • Breton language
  • Economy
  • Personalities
  • International relations
  • See also
  • References
  • External links

Châteaulin (; ) is a commune in the Finistère department and administrative region of Brittany in north-western France. It is a sub-prefecture of the department.

==Geography== Châteaulin is in a valley towards the center of Finistère on the River Aulne and the Canal de Nantes à Brest, mid-way between Quimper to the south and Brest to the north. To the west the Menez-Hom hills separate it from the Crozon peninsula and the Bay of Douarnenez, which opens into the Atlantic Ocean.

Excerpted from Wikipedia’s “Châteaulin” article, available under the CC BY-SA 4.0 licence.

Gallery (4)

On the map

2 mapped locations