Madrid Derby while the Vicente Calderón (the stadium that Atlético Madrid had been using until the 2016–17 season) could be found near a brewery, along the Manzanares River. Real draw greater support in all the city because of their historically greater resources and success, while Atlético have a relatively working class fan base from the south of the city, although it is only part of the Atletico fans who are also scattered throughout the city. In fact, Atlético crest includes the Coat of arms of Madrid, whereas Real crest has not such a reference to the city (instead, it includes a reference
Madrid system Madrid Agreement were also members of the Madrid Protocol and many of the aspects of the Madrid Agreement ceased to have practical effect). The term 'Madrid Union' can be used to describe those jurisdictions party to either the Agreement or the Protocol (or both). The primary reason the protocol—which has been in operation since 1996 and has 100 members — is more popular than the agreement — which has been in operation for more than 110 years and has 55 members—is that the protocol introduced a number of changes to the Madrid system which significantly enhanced its usefulness to trademark