Seine-et-Marne (French pronunciation: [sɛn e maʁn] ; lit. 'Seine and Marne') is a mainly rural department in the Île-de-France region in northern France. Named after the rivers Seine and Marne, it roughly encompasses the region's eastern half, and, at 5,915 km2 (2,284 sq mi), is the largest department in Île-de-France by area. In 2023, it had a population of 1,468,108. Its prefecture is Melun, although both Meaux and Chelles have larger populations.
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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 Île-de-France. It is the only original departement in the Île-de-France that has remained unchanged, as both Seine and Seine-et-Oise were abolished and reorganised in 1968.
Geography
Principal towns
The most populous commune is Meaux; the prefecture Melun is the third-most populous. As of 2023, there are 16 communes with more than 20,000 inhabitants. The 10 most populous communes are:
Demographics
Representation in Paris
In the National Assembly, Seine-et-Marne is represented by:
In the Senate, Seine-et-Marne is represented by: