Seine (department) contains the administrative territorial entity Sceaux
General characteristics
From 1929 to its abolition in 1968, the department consisted of the City of Paris and 80 surrounding suburban communes. It had an area of 480 km² (185 sq. miles), 22% of that area being the City of Paris and 78% being suburbs. It was the only enclaved department in France. It was divided into three arrondissements: Paris, Sceaux and Saint-Denis.
For most of the Seine department's existence, its prefect also exercised direct authority over the City of Paris as well. As a result, Paris was the only commune without a mayor; it had theoretically less autonomy than the smallest commune.
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