Arrondissement of Châteaudun

The arrondissement of Châteaudun is an arrondissement of France, in the Eure-et-Loir department of the Centre-Val de Loire region. Its capital is the city of Châteaudun.
History.
When the Eure-et-Loir department was created on 1800, the "arrondissement" of Châteaudun was part of that original department.
Geography.
The "arrondissement" of Châteaudun is the most southern of the "arrondissements" of the Eure-et-Loir department. It has an area of and a population of 59,794 inhabitants.
It is bordered to the north by the "arrondissement" of Chartres, to the east by the Loiret department, to the southeast by the Loiret department, to the south by the Loir-et-Cher department and to the west by the "arrondissement" of Nogent-le-Rotrou.
Composition.
Cantons.
After the reorganisation of the cantons in France, cantons are not subdivisions of the "arrondissements" so they could have "communes" that belong to different "arrondissements".
The cantons in the arrondissement of Châteaudun are:
Communes.
The "arrondissement" of Châteaudun has 64 "communes"; they are (with their INSEE codes)ː
The "communes" with more inhabitants in the "arrondissement" are: