Seine-Saint-Denis

Seine-Saint-Denis
Location of Seine-Saint-Denis in France
Coordinates: 48°54′N 02°29′E / 48.900°N 2.483°E / 48.900; 2.483
CountryFrance
RegionÎle-de-France
PrefectureBobigny
SubprefecturesLe Raincy
Saint-Denis
Government
  President of the Departmental CouncilStéphane Troussel (PS)
  PrefectJacques Witkowski
Area
  Total
236 km2 (91 sq mi)
Population
 (2022)
  Total
1,681,725
  Rank4th
  Density7,100/km2 (18,000/sq mi)
GDP
  Total€66.227 billion (2021)
  Per capita€38,688 (2021)
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Department number93
Arrondissements3
Cantons21
Communes39
^1 French Land Register data, which exclude estuaries and lakes, ponds and glaciers larger than 1 km2

Seine-Saint-Denis (French pronunciation: [sɛn sɛ̃ d(ə)ni] ) is a department of France located in the Grand Paris metropolis in the Île-de-France region. In French, it is often referred to colloquially as quatre-vingt treize or neuf trois ("ninety-three" or "nine three"), after its official administrative number, 93. Its prefecture is Bobigny.

In 2019, it had a population of 1,644,903 across 39 communes. In French, the learned but rarely used demonym for the inhabitants of Seine-Saint-Denis is Séquano-Dionysiens; more common is Dionysiens.