Essonne

Essonne () is a department in the southern suburb part of the Île-de-France region. It is named after the river Essonne. In 2023, it had a population of 1,338,485, across 194 communes.

Paris-Saclay is a research-intensive and business cluster currently under construction in the south of Paris, France. It encompasses research facilities, two French major universities with higher education institutions (grandes écoles) and also research centers of private companies. In 2013, the Technology Review put Paris-Saclay in the top 8 world research clusters. In 2014, it comprised almost 15% of French scientific research capacity.

203 public transit disaster in Paris, France

200px|right|Building of the National Genotyping Center / IG / CEA, on the Genopole biopark 200px|right|Genoscope / IG / CEA building, on the Genopole biopark

departmental legislature in France

French rugby union club from Massy, Essonne