Yonne

Yonne
The Palais épiscopal in Auxerre, which houses the prefecture of Yonne
Location of Yonne in France
Coordinates: 47°48′N 3°34′E / 47.800°N 3.567°E / 47.800; 3.567
CountryFrance
RegionBourgogne-Franche-Comté
PrefectureAuxerre
SubprefecturesAvallon
Sens
Government
  President of the Departmental CouncilPatrick Gendraud (LR)
Area
  Total
7,427 km2 (2,868 sq mi)
Population
 (2022)
  Total
333,896
  Rank70th
  Density45/km2 (120/sq mi)
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Department number89
Arrondissements3
Cantons21
Communes423
^1 French Land Register data, which exclude estuaries and lakes, ponds and glaciers larger than 1 km2

Yonne (French: [jɔn], 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 constituent departments, it is located in its northwestern part, bordering Île-de-France. It was created in 1790 during the French Revolution. Its prefecture is Auxerre, with subprefectures in Avallon and Sens. Its INSEE and postcode number is 89.

Yonne is Bourgogne-Franche-Comté's fourth-most populous department, with a population of 335,707 (2019). Its largest city is its prefecture Auxerre, with a population of about 35,000 within city limits and 68,000 in the urban area.