Madrid Madrid Madrid (, ) is the capital of Spain and the largest municipality in both the Community of Madrid and Spain as a whole. The city has almost 3.2 million inhabitants and a metropolitan area population of approximately 6.5 million. It is the third-largest city in the European Union (EU), smaller than only London and Berlin, and its monocentric metropolitan area is the third-largest in the EU, smaller only than those of London and Paris. The municipality covers . Madrid lies on the River Manzanares in the centre of both the country and the Community of Madrid (which comprises the
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