The district is the 3rd largest in Portugal, with an area of 6,747 km2 (2,605 sq mi), and a population of 475,344 inhabitants, giving it a population density of 70 people per sq. kilometer (180 people per sq. mile).
Municipalities
The district includes the following 21 municipalities.
^The primitive man from Portugal, Article from 16 March 2017 des Hamburger Abendblatt, accessed on March 22, 2017
^Crânio de 400 mil anos é o fóssil humano mais antigo descoberto em Portugal 400,000 year old skull found the oldest human fossil in Portugal, Article from 13. March 2017 he Portuguese newspaper Público, accessed on March 22, 2017