This article intends to analyse the participation of the paulistaãs intelligentsia in the configuration of the regionalism in São Paulo. The contraditory character of relation between nacionalism and regionalism. The article searches to attend these questions all long of the twenty years, through Mário de Andrade's works, where those contradictions appearing, how as well as a dissonant voices of the authors like Antônio de Alcântara Machado, Manuel Bandeira or obscurity chroniclers which put themselves in the edge of the tension cosmopolitism - nacionalism/regionalism.
modernism; urbanization; São Paulo