CIA - The World Factbook: Portugal
- Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
- https://www.cia.gov/library/publications/the-world-factbook/geos/po.html

Wikipedia - Portugal
- Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture.
- http://en.wikipedia.org/wiki/Portugal

US Department of State - Portugal
- Country portal offers a map and links to Background Notes, Country Study, the US embassy and the current ambassador, press releases, fact sheets, annual Human Rights Reports and other major reports including Industry Market Reports.
- http://www.state.gov/p/eur/ci/po/

Virtual Portugal
- A comprehensive, searchable guide to the country, covering accommodation, leisure, tourism, business, restaurants and bars, shopping and services.
- http://www.portugalvirtual.pt

US Library of Congress - Portals to the World: Portugal
- Annotated directory of selected online resources.
- http://www.loc.gov/rr/international/hispanic/portugal/portugal.html

Portugal Info Net
- A guide covering travel, car hire, accommodation, property, sports, entertainment, food and wine, news, weather, maps and classifieds. Also has guides by region.
- http://www.portugal-info.net/

ExpatLink Portugal
- The Portuguese section of a site providing links to English speaking expatriates the world over. Covers maps, major towns and cities, hotels, real estate, schools, transport, taxation and weather.
- http://www.expatlink.com/html/portugal.html

Portugal
- Official site of the government agency Investments, Trade and Tourism of Portugal. Provides general information on the country and localities, and on buying, investing and tourism, and links to related sites.
- http://www.portugal.org/