The Portuguese territorial identity in the city of Rio de Janeiro during the first years of the twenty-first century is the main focus of the research that has as object the new Portuguese immigration territorialities in Rio de Janeiro city. To construct the proposal to search this identity, we consider as fundamental elements the means of communication and some culture aspects. As for migration, the two main periods are: the first moment represented by decades of 1950/60 and the second moment, more contemporary, the first decades of the twenty-first century, especially in the post 2008 with the worsening of the Portuguese and European crisis. Through both the migratory moments, Portuguese constituted in Rio de Janeiro, and also in Brazil and worldwide, territories, communication networks and cultural contributions to the Portuguese territorial identities formation in the city in question. Therefore, in addition to the territories transplanted (the first moment migration) and diffuse (second moment) of migrants, the paper analyzes the communication between the Portuguese territories in the state of Rio de Janeiro and also with Portugal. As these multiple territories-network if articulated and articulate, what they share in communication, what characterizes and qualifies them through the means of communication that they use. In which corresponds to the culture, we analyzed the Portuguese contribution, besides the production in Portugal, the Portuguese culture in the carioca territory as means of territorial identities interpretation of this group of immigrants in Rio de Janeiro. Finally, the dissertation intends to present some issues and considerations about the Portuguese identity in Rio de Janeiro.