Leganés (Spanish pronunciation: [le.ɣa.ˈnes]) is a city in central Spain. Part of the greater Madrid conurbation - mainly a satellite-city with a population of 186,066 (1 January 2009) it is located about 11 km southwest of the city centre.
On 3 April 2004 Leganés achieved a measure of unwanted notoriety when five of the suspects in the 11 March 2004 Madrid attacks blew themselves up in an apartment building as police moved in to arrest them. All five were killed, along with one GEO police officer.
Leganés houses a branch of the Universidad Carlos III, founded in 1989, namely the Escuela Politecnica Superior (EPS) which offers Telecommunications Engineering, Industrial Engineering and Computer Engineering, among many other degrees. Universidad Carlos III is recognized as first-class in research and teaching among other universities in Spain. The other campuses of University Carlos III are situated in Getafe and Colmenarejo, however the one located in Leganés is the only one that has a sports centre. Leganés' student accommodation building is called Fernando Abril Martorell and has a capacity of 300 students.