Explore details about location Av. 20 de Maio. Av. 20 de Maio is a location situated within the Paços de Ferreira alongside other areas such as Avenida João XXIII, Tv 20 de Maio, Av. 20 de Maio. Additionally, some smaller parts of Av. 20 de Maio include specific areas like Estrada Nacional 207, Estrada Municipal 513-4, Estrada Municipal 559 adding to the diversity of its landscape.