Yonne

Yonne (French: [jɔn]) is a French department named after the river Yonne. It is one of the eight constituent departments of Bourgogne-Franche-Comté and is located in the northwest of the region, bordering Île-de-France. It was created in 1790 during the French Revolution. Its prefecture (capital) is Auxerre and its postcode number is 89.

Yonne
Prefecture building of the Yonne department, in Auxerre
Location of Yonne in France
Coordinates: 47°48′N 3°34′E
CountryFrance
RegionBourgogne-Franche-Comté
PrefectureAuxerre
SubprefecturesAvallon
Sens
Government
  President of the General CouncilJean-Marie Rolland
Area
  Total7,427 km2 (2,868 sq mi)
Population
 (2016)
  Total340,544
  Rank69th
  Density46/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

It is the fourth-most populous department in the region, with a population of about 342,000 (2012), and an average annual increase over the last few years of 0.41% per year. The biggest city is its capital Auxerre, with a population of 35,000 in the city and roughly 43,000 in the surrounding area.