The Thyssen-Bornemisza National Museum (in Spanish, the Museo Nacional Thyssen-Bornemisza (pronounced [muˈse.o ˈtisem boɾneˈmisa]),[2] named after its founder), or simply the Thyssen, is an art museum in Madrid, Spain, located near the Prado Museum on one of the city's main boulevards. It is known as part of the "Golden Triangle of Art", which also includes the Prado and the Reina Sofia national galleries. The Thyssen-Bornemisza fills the historical gaps in its counterparts' collections: in the Prado's case this includes Italian primitives and works from the English, Dutch and German schools, while in the case of the Reina Sofia it concerns Impressionists, Expressionists, and European and American paintings from the 20th century.