A branch of the Carlos III University is located in Leganes.
It is connected to Madrid via Cercanías and Metrosur, one of the metro lines.
There are 6 Metrosur stations in Leganes.
On April 3, 2004, five suspects in the Madrid attacks of March 11, 2004, blew themselves up in an apartment building in the city as police arrived to arrest them.
All five were killed along with one GEO police officer.
Leganés is described in 16th-century annals as a corruption of Leganar.
The latter presumably indicates the abundance of legamos in the area in ancient times.
The city is located in the central part of the Iberian Peninsula, at an altitude of approximately 667 meters above sea level.
The city center is surrounded by highways, including: M-40, A-42, R-5, M-45 and M-50.