This polygon shapefile contains the state boundary of Distrito Federal, Brazil, in 2001. Brazil contains 27 Unidades Federativas (UF) - 26 states and 1 federal district. The states are generally based on historical, conventional borders which have developed over time. This layer is part of the Evolução da divisão territorial do Brasil 1872 - 2010 dataset, a collection of data representing the evolution of Brazilian states, municipalities and cities. This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.