Yvelines

Yvelines
Department of France
From top down, left to right: prefecture building in Versailles, view of La Celle-Saint-Cloud, forest and lake in Guyancourt, marble courtyard and gardens of the Palace of Versailles
Flag Coat of arms
Location of Yvelines in France
Coordinates: 48°50′N 1°55′E / 48.833°N 1.917°E / 48.833; 1.917
Country	France
Region	Île-de-France
Prefecture	Versailles
Subprefectures	Mantes-la-Jolie Rambouillet Saint-Germain- en-Laye
Government
• President of the Departmental Council	Pierre Bédier[1] (LR)
Area 1
• Total	2,284 km2 (882 sq mi)
Population  (2021)[2]
• Total	1,456,365
• Rank	8th
• Density	640/km2 (1,700/sq mi)
GDP [3]
• Total	€60.058 billion (2021)
• Per capita	€42,238 (2021)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Department number	78
Arrondissements	4
Cantons	21
Communes	259
^1 French Land Register data, which exclude estuaries and lakes, ponds and glaciers larger than 1 km2.

Yvelines (French: [ivlin] ^ⓘ) is a department in the western part of the Île-de-France region in Northern France. In 2019, it had a population of 1,448,207.^[4] Its prefecture is Versailles, home to the Palace of Versailles, the principal residence of the King of France from 1682 until 1789, a UNESCO World Heritage Site since 1979. Yvelines' subprefectures are Saint-Germain-en-Laye, Mantes-la-Jolie and Rambouillet.