The Valencian humanist Juan Martín Cordero was in Flanders during the visit of Philip II and his court between 1555 and 1559. There interacted with noble, royal secretaries, humanists, merchants and printers, but we had very little data on this and in many cases were contradictory. This work defines and explores the figure of Cordero in Flanders through his memories and the editions of his works. ; El humanista valenciano Juan Martín Cordero estuvo en Flandes durante la estancia de Felipe II y su corte entre 1555 y 1559. Allí interactuó con nobles, secretarios reales, humanistas, comerciantes e impresores; sin embargo, teníamos muy pocos datos sobre esto y, en muchos casos, eran contradictorios. Este trabajo delimita y estudia la figura de Cordero en Flandes a través de sus memorias y de las ediciones de sus obras.