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 | |
| Country | France | 
| Region | Bourgogne-Franche-Comté | 
| Prefecture | Auxerre | 
| Subprefectures | Avallon Sens | 
| Government | |
| • President of the Departmental Council | Patrick Gendraud (LR) | 
| Area | |
|  • Total | 7,427 km2 (2,868 sq mi) | 
| Population  (2022) | |
|  • Total | 333,896 | 
| • Rank | 70th | 
| • Density | 45/km2 (120/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Department number | 89 | 
| Arrondissements | 3 | 
| Cantons | 21 | 
| Communes | 423 | 
| ^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.