|• Mayor (2008–2014)||Christian Lamblin|
|Area1||15.29 km2 (5.90 sq mi)|
|• Density||55/km2 (140/sq mi)|
|INSEE/Postal code||60432 / 60128|
|Elevation||60–203 m (197–666 ft)
(avg. 93 m or 305 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
The castle of Mortefontaine was bought by Joseph Bonaparte, elder brother of Napoléon Bonaparte in 1798. The Convention of 1800 (also known as the Treaty of Mortefontaine), a treaty of friendship between France and the United States of America, was signed here in 1800. Here again were negotiated the preliminaries of the Peace of Amiens on March 25, 1802.
- Castle of Mortefontaine on Napoleon & Empire website
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