Collado Villalba (Spanish pronunciation: [koˈʎaðo βiˈʎalβa]) is a municipality of the Community of Madrid, in central Spain.

It is located 40.3 kilometres north-west of the city of Madrid, at an altitude of 917 meters above sea level.

Collado Villalba has a hot summer Mediterranean climate (Köppen Csa).

Collado Villalba has its own train station, which gives service to lines C-3a (Aranjuez - El Escorial - Santa María de la Alameda), C-8 (Guadalajara - Cercedilla) and C-10 (Aeropuerto T-4 - Villalba) of Cercanías Madrid.

Collado Villalba has many bus lines, most of them connecting the town with Madrid.