This dataset is based on the Atlas of Amphibians and Reptiles of Portugal published by ICNF in 2008. The publication of this document is related to the implementation of the National Strategy for the Conservation of Nature and Biodiversity, whose 5th strategic option concerns development throughout the national territory of specific actions for the conservation of species and habitats, defining as one of the action directives the elaboration of several distribution atlases. The Atlas shows, according to the record of observations made up to the date of its publication, the distribution, in Portugal, of amphibians and reptiles that are autochthonous in the Portuguese territory, and also exotic species existing in the wild: 17 species of amphibians; 30 species of terrestrial reptiles; and 5 species of sea turtles. The original publication presents, for each of the species, a sheet with the characterization of the species and notes on the main threats and measures for its conservation.