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File:Château-Thierry_Mairie_Tour_Balhan_Remparts.jpg · Wikimedia Commons · See Wikimedia Commons

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Château-Thierry

Also known as Chateau-Thierry, Égalité-sur-Marne, Château-Égalité

Château-Thierry (; Picard: Catieu-Thierry) is a French commune situated in the department of the Aisne, in the administrative region of Hauts-de-France, and in the historic Province of Champagne.

OverviewAI-generated

Château-Thierry is a commune in France, situated in the Aisne department within the Hauts-de-France region. It serves as the capital of the arrondissement and canton of Château-Thierry. The town is located next to the Marne river and shares borders with Bézu-Saint-Germain, Bouresches, Brasles, and Chierry. Its official names have included Château-Égalité and Égalité-sur-Marne.

The area of the commune is 16.55 square kilometers, with an elevation above sea level recorded at 222 meters. The population is 15,351, comprising 7,165 males and 7,942 females. The postal code for the region is 02400. Château-Thierry has received the Croix de guerre 1914–1918 and the Legion of Honour. It is twinned with Pößneck, Cisnădie, and Mosbach.

Synthesized by Vinony from 57 facts across 8 sources: Wikidata, Open Meteo, Openweathermap, OpenStreetMap, GeoNames, Firecrawl, Vinony graph, Geo. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Weather now

cached 16h ago

18°broken clouds

88% 7.0 m/s OpenWeatherMap

7-day forecast

via Open-Meteo

Place details

Locality: Château-Thierry
Region: Hauts-de-France
Country: France
Population: 15,938
Timezone: Europe/Paris

via OpenStreetMap · GeoNames

Air quality

36US AQIGood

PM2.5: 5.3 µg/m³
PM10: 8.8 µg/m³

As of 2026-08-11 02:00 · Open-Meteo

Key facts

French commune.name: Château-Thierry
French commune.commune status: Subprefecture
French commune.image: Château-Thierry Mairie Tour Balhan Remparts.jpg
French commune.caption: Town hall
French commune.image coat of arms: Blason Château-Thierry 02.svg
French commune.arrondissement: Château-Thierry
French commune.canton: Château-Thierry
French commune.INSEE: 02168
French commune.postal code: 02400
French commune.mayor: Sébastien Eugène
French commune.term: 2020–2026
French commune.party: MRSL
French commune.intercommunality: CA Région de Château-Thierry
French commune.elevation m: 63
French commune.elevation min m: 59
French commune.elevation max m: 222
French commune.area km2: 16.55

via Wikipedia infobox

Official website

Château-Thierry | Cité poétique

Château-Thierry, cité natale de Jean de la Fontaine : découvrez, sur ce site, son patrimoine, son cadre de vie, ses grands projets.

ville-chateau-thierry.fr →

Link to the official site · 12,228 chars · not written by Vinony

~7 min read

Encyclopedic overview

11 sections

Contents

History
Geography
Neighboring Municipalities
Transport
Personalities
Population
Sights
Twin towns – sister cities
See also
References
External links

Château-Thierry (; Picard: Catieu-Thierry) is a French commune situated in the department of the Aisne, in the administrative region of Hauts-de-France, and in the historic Province of Champagne.

The origin of the name of the town is unknown. The local tradition attributes it to Theuderic IV, the penultimate Merovingian king, who was imprisoned by Charles Martel, without a reliable source. Château-Thierry is the birthplace of Jean de La Fontaine and was the location of the First Battle of the Marne and Second Battle of the Marne. The arrondissement of Château-Thierry is called the country of Omois. Château-Thierry is one of 64 French towns to have received the Legion of Honour.

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