The village from the River Yonne
|Area1||37.28 km2 (14.39 sq mi)|
|• Density||16/km2 (41/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
|INSEE/Postal code||89238 / 89660|
|Elevation||117–254 m (384–833 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.
Mailly-le-Château is a commune in the Yonne department in Burgundy in north-central France. The lower village is on the left bank of the River Yonne, adjacent to the Canal du Nivernais. The upper village is noted for its 14th-century fortified castle and the 13th-century church of St Adrian.
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