Description: The administrative boundary map shows the political boundaries in the country as defined by laws. The Philippines is divided into three major island groups, namely: Luzon, Visayas, and Mindanao. Together, these areas are further subdivided into 16 regions, and in descending order, a region into provinces, a province into municipalities and cities, and a municipality or city into barangays. The layers or features were acquired from the Natural Resource Atlas Mapscale 1:500,000 dated 1986 and 2010 National Statisttic Office Digital Data.