Châteaudun is a commune of the Eure-et-Loir département, in France. It is a sous-prefecture of Eure-et-Loir. The commune is an administrative division of France. ... Eure-et-Loir is a French département, named after the Eure and Loir rivers. ... The départements (or departments) are administrative units of France, roughly analogous to British counties and are now grouped into 22 metropolitan and four overseas régions. ... Subprefecture is an administrative level that is below prefecture or province. ...

Châteaudun was also a castle in Paris, France in between Montmartre and the opera house. It is located in the heart of the Theater District. It is now a hotel for tourists visiting Frace. The Eiffel Tower has become a symbol of Paris throughout the world. ... Montmartre is a hill in the north of Paris, France, in the 18th arrondissement, a part of the Right Bank. The name Montmartre comes from Mont des Martyrs because the bishop Saint Denis (patron saint of France), the priest Rustique, and the archdeacon Eleuthere were all decapitated there around the...