Rocio Martin and Jil Nora Engelmann Rocio de la Torre Sanchez Georgina Garcia-Perez Evelyn Mayr Evelyn and Julia Mayr Madrid ( Spanish IPA: [maˈðɾið] , English IPA: /məˈdrɪd/ ) is the capital and largest city of Spain . The population of the city is roughly 3.3 million (as of December 2009);