From Wikipedia :

(St. Jerome the Royal) is a Roman Catholic church from the early 16th-century in central Madrid (Spain). The church, which has undergone numerous remodelings and restorations over the centuries is the remaining structure of the Hieronymite monastery that once stood beside the royal palace of Buen Retiro, of which a portion now serves as the Prado museum. Its proximity to the royal palace also underscores a connection to royalty, serving for centuries as the church used for the investiture of the Prince of Asturias...

https://en.wikipedia.org/wiki/San_Jer%C3%B3nimo_el_Real

We were here on the 16th April 2019.