[3] Among its wards they are particularly renowned the ones devoted to Cardiovascular disease, Hematology, General and Digestive Surgery, Neonatology and Organ transplantation.

[4] HULP's headquarters are concentrated in a campus at the northern end of Paseo de la Castellana avenue and comprises 18 buildings that forms three major separate hospitals: General, Children's and Trauma.

[5] After the opening (1968) of the Autonomous University of Madrid-UAM's School of Medicine close to the HULP campus, it becomes its clinical reference site.

The institute has been accredited by the national Instituto de Salud Carlos III, a quality seal in Spain.

[8] A significant proportion of Madrid's population was born in the tower, which houses the hospital's maternity department, and the retention of the structure reflects its place in people's memories.