Móstoles is a municipality of Spain located in the Community of Madrid. With over 200,000 inhabitants, it is the region's second most populated municipality after Madrid. Móstoles was a small town for a long time, but expanded rapidly in the second half of the 20th century.
The city also hosts the main campus of the Rey Juan Carlos University.
Wikipedia https://en.wikipedia.org/wiki/Móstoles
Coordinates 40°19'25.869" N -3°51'53.717" E