Seine-Saint-Denis

Seine-Saint-Denis is a French department located in the Île-de-France region. In local slang, it is known as "quatre-vingt treize" (i.e. "ninety-three") or "neuf trois" (i.e. "nine three"), after the official administrative number of the department, 93.

The learned and rarely used demonym for the inhabitants is Séquano-Dionysiens; more common is Dionysiens.

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