Countryaah.com: Offers a full list of airports in the country of Guam, sorted by city location and acronyms.
Abbreviationfinder.org: Provides most commonly used abbreviations and initials containing the country name of Guam. Listed by popularity.
1UpTravel.com – Maps of Guam
Browse a collection of political, topographic and shaded relief maps of Guam, located in the North Pacific Ocean. Check out the maps of Agana and US military facilities.