Seine-et-Marne () is a department in the

Île-de-France The Île-de-France (; ; ) is the most populous of the eighteen regions of France, with an official estimated population of 12,271,794 residents on 1 January 2023. Centered on the capital Paris, it is located in the north-central part of the cou ...

region In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and ...

in Northern

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. Named after the rivers

Seine The Seine ( , ) is a river in northern France. Its drainage basin is in the Paris Basin (a geological relative lowland) covering most of northern France. It rises at Source-Seine, northwest of Dijon in northeastern France in the Langres plat ...

and

Marne Marne can refer to: Places France *Marne (river), a tributary of the Seine *Marne (department), a département in northeastern France named after the river * La Marne, a commune in western France *Marne, a legislative constituency (France) Nethe ...

, it is the region's largest department with an area of 5,915 square kilometres (2,284 square miles); it roughly covers its eastern half. In 2019, it had a population of 1,421,197.Populations légales 2019: 77 Seine-et-Marne
INSEE Its

prefecture A prefecture (from the Latin word, "''praefectura"'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain inter ...

Melun Melun () is a commune in the Seine-et-Marne department in the Île-de-France region, north-central France. It is located on the southeastern outskirts of Paris, about from the centre of the capital. Melun is the prefecture of Seine-et-Marne, ...

, although both

Meaux Meaux () is a Communes of France, commune on the river Marne (river), Marne in the Seine-et-Marne Departments of France, department in the Île-de-France Regions of France, region in the Functional area (France), metropolitan area of Paris, Franc ...

and Chelles have larger populations.

History

Seine-et-Marne is one of the original 83 departments created on 4 March 1790 during the French Revolution in application of the law of 22 December 1789. It had previously belonged to the former province of

. It is the only original departement in the Île-de-France that has remained unchanged, as both

and

Seine-et-Oise Seine-et-Oise () is a former department of France, which encompassed the western, northern and southern parts of the metropolitan area of Paris. Its prefecture was Versailles and its administrative number was 78. Seine-et-Oise was disbanded in ...

were abolished and reorganised in 1968.

Geography

Situation

Seine-et-Marne forms a part of the

region; the department covers 49% of the region's land area. It is bordered by

Val-d'Oise Val-d'Oise (, "Vale of the Oise") is a department in the Île-de-France region, Northern France. It was created in 1968 following the split of the Seine-et-Oise department. In 2019, Val-d'Oise had a population of 1,249,674.< ...

Seine-Saint-Denis () is a department of France located in the Grand Paris metropolis in the region. In French, it is often referred to colloquially as ' or ' ("ninety-three" or "nine three"), after its official administrative number, 93. Its prefecture is Bobi ...

Val-de-Marne Val-de-Marne (, "Vale of the Marne") is a department of France located in the Île-de-France region. Named after the river Marne, it is situated in the Grand Paris metropolis to the southeast of the City of Paris. In 2019, Val-de-Marne had a ...

Essonne Essonne () is a department in the southern part of the Île-de-France region in Northern France. It is named after the river Essonne. In 2019, it had a population of 1,301,659, across 194 communes.Loiret Loiret (; ) is a department in the Centre-Val de Loire region of north-central France. It takes its name from the river Loiret, which is contained wholly within the department. In 2019, Loiret had a population of 680,434.

and

Yonne Yonne (, in Burgundian: ''Ghienne'') is a department in the Bourgogne-Franche-Comté region in France. It is named after the river Yonne, which flows through it, in the country's north-central part. One of Bourgogne-Franche-Comté's eight con ...

to the south;

Aube Aube ( ) is a French departments of France, department in the Grand Est region of northeastern France. As with sixty departments in France, this department is named after a river: the Aube (river), Aube. With 310,242 inhabitants (2019),

and

to the east; and

Aisne Aisne ( , ; ; ) is a French departments of France, department in the Hauts-de-France region of northern France. It is named after the river Aisne (river), Aisne. In 2020, it had a population of 529,374. Geography The department borders No ...

and

Oise Oise ( ; ; ) is a department in the north of France. It is named after the river Oise. Inhabitants of the department are called ''Oisiens'' () or ''Isariens'', after the Latin name for the river, Isara. It had a population of 829,419 in 2019.< ...

to the north. It is served by

RER A RER A is one of the five lines in the Réseau Express Régional (English: Regional Express Network), a hybrid commuter rail and rapid transit system serving the city and suburbs of Paris Paris () is the Capital city, capital and List o ...

RER B RER B is one of the five lines in the Réseau Express Régional (English: Regional Express Network), a hybrid commuter rail and rapid transit system serving Paris, France and its Île-de-France suburbs. The RER B line crosses the region from no ...

RER D RER D is one of the five lines in the (English: Regional Express Network), a hybrid commuter rail and rapid transit system serving Paris and its suburbs. The line crosses the region from north to south, with all trains serving a group of stat ...

and

RER E RER E is one of the five lines in the Réseau Express Régional (English: Regional Express Network), a hybrid commuter rail and rapid transit system serving Paris and its suburbs. The line travels between western and eastern suburbs, with all ...

amongst other services.

is Seine-et-Marne's

Fontainebleau Fontainebleau ( , , ) is a Communes of France, commune in the Functional area (France), metropolitan area of Paris, France. It is located south-southeast of the Kilometre zero#France, centre of Paris. Fontainebleau is a Subprefectures in Franc ...

Provins Provins () is a Communes of France, commune in the Seine-et-Marne Departments of France, department in the Île-de-France Regions of France, region in north-central France. Known for its well-preserved medieval architecture and importance througho ...

and Torcy are its subprefectures. The department comprises part of

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

's outer eastern suburbs; much of

Charles de Gaulle Airport Paris Charles de Gaulle Airport , also known as Roissy Airport, is the primary international airport serving Paris, the capital city of France. The airport opened in 1974 and is located in Roissy-en-France, northeast of Paris. It is named for ...

sits within its far northwestern boundaries, including a majority of the terminals. The department has many natural reserves, notably

Brie Brie ( ; ) is a soft cow's-milk cheese named after Brie (itself from Gaulish ''briga'', "hill, height"), the French region from which it originated (roughly corresponding to the modern of Seine-et-Marne). It is pale in colour with a slight gre ...

and

Gâtinais Gâtinais () or Gâtine () was a province of France, containing the area around the valley of the Loing, corresponding roughly to the northeastern part of the département of Loiret, and the south of the present department of Seine-et-Marne. U ...

. The department's highest point is butte Saint-George (215 m).

Principal towns

The most populous commune is

; the prefecture

is the third-most populous. As of 2019, there are 17 communes with more than 20,000 inhabitants. The 10 most populous communes are:

Climate

Seine-et-Marne has a temperate Atlantic climate. The average rainfall is based upon that of

, giving an average rainfall of , which is higher than the average of

: . Average temperature in

during the 1953–2002 period was for January and for July. The storm of 26 December 1999 led to five deaths in Seine-et-Marne and caused several trees to fall.

Demographics

People from Seine-et-Marne are known as the ''Seine-et-Marnais''. Originally Seine-et-Marne was very rural and lightly populated. Over the past 50 years, however, its population has tripled, due to the development of the Paris

conurbation A conurbation is a region consisting of a number of metropolises, cities, large towns, and other urban areas which, through population growth and physical expansion, have merged to form one continuous urban or industrially developed area. In most ...

and the building of new towns in the northwest of the region. The population was estimated to be 1,267,496 inhabitants in 2006. The region has changed from consisting only of small villages to forming a large part of the Paris conurbation. Seine-et-Marne as a whole shares a

sister city A sister city or a twin town relationship is a form of legal or social agreement between two geographically and politically distinct localities for the purpose of promoting cultural and commercial ties. While there are early examples of inte ...

relationship with

Orlando Orlando commonly refers to: * Orlando, Florida, a city in the United States Orlando may also refer to: People * Orlando (given name), a masculine name, includes a list of people with the name * Orlando (surname), includes a list of people wit ...

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, as both host

Disney The Walt Disney Company, commonly referred to as simply Disney, is an American multinational mass media and entertainment industry, entertainment conglomerate (company), conglomerate headquartered at the Walt Disney Studios (Burbank), Walt Di ...

theme parks.

Economy

With 60 percent of the region used as farmland, Seine-et-Marne is where most agricultural activity occurs within

. Cereals and sugar beet are the principal exports from Seine-et-Marne. The other key industrial structures are the refinery at Grandpuits and the

Safran Aircraft Engines Safran Aircraft Engines, previously Snecma (''Société nationale d'études et de construction de moteurs d'aviation'') or Snecma Moteurs, is a French aerospace engine manufacturer headquartered in Courcouronnes and a subsidiary of Safran. It de ...

research plant at Villaroche. The new town of

Marne-la-Vallée Marne-la-Vallée () (English language, English: Marne Valley) is a new town located near Paris, France. Disneyland Paris, Walt Disney Studios Park, Val d'Europe, University of Marne la Vallée, Université Paris-Est Marne-la-Vallée, ESIEE Par ...

is the centre of tourism in Seine-et-Marne in terms of number of visitors, mainly due to the Disneyland Park and

Walt Disney Studios Park Walt Disney Studios Park ( French: ''Parc Walt Disney Studios'') is the second of two theme parks built at Disneyland Paris in Marne-la-Vallée, France. The park opened on 16 March 2002, and it is owned and operated by The Walt Disney Company t ...

theme parks at

Disneyland Paris Disneyland Paris is an entertainment resort in Marne-la-Vallée, France, located about east of Paris. It encompasses two theme parks, seven Disney-owned hotels, two convention centers, a golf course, an arena, and a shopping, dining and entert ...

Politics

Presidential elections 2nd round

Departmental Council of Seine-et-Marne

The Departmental Council of Seine-et-Marne has 46 seats. Councillors are elected for six-year terms (no term limits) across the department's 23 cantons (two per canton). Since 2021,

Jean-François Parigi Jean-François Parigi (born 25 January 1960) is a French politician for The Republicans who served as the member of the National Assembly for Seine-et-Marne's 6th constituency from 2017 to 2021. During the 2021 departmental elections in Sein ...

of The Republicans (LR) has served as President of the Departmental Council.

National representation

In the

National Assembly In politics, a national assembly is either a unicameral legislature, the lower house of a bicameral legislature, or both houses of a bicameral legislature together. In the English language it generally means "an assembly composed of the repr ...

, Seine-et-Marne is represented by: In the

Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...

, Seine-et-Marne is represented by: * Anne Chain-Larché ( The Republicans), since 2015 *

Pierre Cuypers Petrus Josephus Hubertus "Pierre" Cuypers (16 May 1827 – 3 March 1921) was a Dutch architect. His name is most frequently associated with the Amsterdam Central Station (1881–1889) and the Rijksmuseum (1876–1885), both in Amsterdam. ...

( The Republicans), since 2016 * Arnaud de Belenet (

La République En Marche! Renaissance (RE) is a political party in France that is typically described as liberal and centrist or centre-right. The party was originally known as (EM) and later (, LREM, LaREM or REM), before adopting its current name in September 2022 ...

), since 2017 *

Vincent Éblé Vincent (Latin: ''Vincentius'') is a masculine given name originating from the Roman name ''Vincentius'', which itself comes from the Latin verb ''vincere'', meaning "to conquer." People with the given name Artists *Vincent Apap (1909–2003) ...

(

Socialist Party Socialist Party is the name of many different political parties around the world. All of these parties claim to uphold some form of socialism, though they may have very different interpretations of what "socialism" means. Statistically, most of th ...

), since 2011 *

Colette Mélot Colette Mélot (born 20 April 1947) is a member of the Senate of France, representing the Seine-et-Marne Seine-et-Marne () is a department in the Île-de-France region in Northern France. Named after the rivers Seine and Marne, it is the r ...

( Agir), since 2004 * Claudine Thomas ( The Republicans), since 2017

Tourism

Fontainebleau Bilboquet.jpg, Bilboquet rock formation in the

forest of Fontainebleau The forest of Fontainebleau (, or , meaning, in old French, "forest of Ericaceae, heather") is a mixed deciduous forest lying southeast of Paris, France. It is located primarily in the arrondissement of Fontainebleau in the southwestern part of th ...

Fontainebleau - 40422357540.jpg, Throne Room in the

Palace of Fontainebleau Palace of Fontainebleau ( , ; ), located southeast of the center of Paris, in the commune of Fontainebleau, is one of the largest French royal châteaux. It served as a hunting lodge and summer residence for many of the List of French monarchs ...

Tour-de-Saint-Thugal-à-Château-Landon-DSC 0149.jpg,

Château-Landon Château-Landon () is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. The commune contains the Souppes-sur-Loing quarry, where the bright white travertine stones for the construction of the Sacr� ...

Remparts de Provins format jpg DSC 0398.jpg, The walls of the medieval city of

Vaux le Vicomte jardins.jpg, Gardens of

Vaux-le-Vicomte The Château de Vaux-le-Vicomte () or simply Vaux-le-Vicomte is a Baroque French château located in Maincy, near Melun, southeast of Paris in the Seine-et-Marne Departments of France, department of Île-de-France. Built between 1658 and 1661 ...

Commanderie Coulommiers.jpg,

Knights Templar The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a Military order (religious society), military order of the Catholic Church, Catholic faith, and one of the most important military ord ...

commandry In the Middle Ages, a commandery (rarely commandry) was the smallest administrative division of the European landed properties of a military order. It was also the name of the house where the knights of the commandery lived.Anthony Luttrell and G ...

in Coulommiers Disneyland Paris (5978746843).jpg,

Bibliography

* Lion, Christian, ''La Mutuelle de Seine-et-Marne contre l'incendie de 1819 à 1969. Mutualité, assurance et cycles de l'incendie'' (Bruxelles etc., Peter Lang, 2008).

References

External links

*
Prefecture website
*
Departmental Council website
{{DEFAULTSORT:Seine-Et-Marne 1790 establishments in France Departments of Île-de-France States and territories established in 1790