| Indicator | Value |
|---|---|
| ISO 3166 alpha-2 | GUISO 3166 [2024] |
| ISO 3166 alpha-3 | GUMISO 3166 [2024] |
| Capital | HagatnaGeoNames [2024] |
| Continent | OceaniaGeoNames [2024] |
| Common name | GuamCIA World Factbook [2025] · 2026 archive |
| Official name | No authoritative open source found |
| Local name | GuahanCIA World Factbook [2025] · 2026 archive |
| Etymology | the native Chamorro name for the island, Guahan (meaning "we have"), was changed to Guam in the 1898 Treaty of Paris, when Spain relinquished Guam, Cuba, Puerto Rico, and the Philippines to the USCIA World Factbook [2025] · 2026 archive |
| Government type | unincorporated organized territory of the US with local self-government; republican form of territorial government with separate executive, legislative, and judicial branchesCIA World Factbook [2025] · 2026 archive |
| Independence | none (territory of the US)CIA World Factbook [2025] · 2026 archive |
| National holiday | Discovery Day (or Magellan Day), first Monday in March (1521)CIA World Factbook [2025] · 2026 archive |
| Head of state | No authoritative open source found |
| Currency code (ISO 4217) | USDISO 4217 Currency Codes [2026] |
| Currency | US DollarISO 4217 Currency Codes [2026] |
| Administrative subdivisions | No authoritative open source found |
| Subdivision names | No authoritative open source found |
| Historical overview | No authoritative open source found |
| National symbols | coconut treeCIA World Factbook [2025] · 2026 archive |
| National anthem | title: "The Star-Spangled Banner"; lyrics/music: Francis Scott KEY/John Stafford SMITH; history: official anthem, as a US territory; played before "Stand, Ye Guamanians"CIA World Factbook [2025] · 2026 archive |
| National colors | deep blue, redCIA World Factbook [2025] · 2026 archive |
| Citizenship rules | see United StatesCIA World Factbook [2025] · 2026 archive |
the native Chamorro name for the island, Guahan (meaning "we have"), was changed to Guam in the 1898 Treaty of Paris, when Spain relinquished Guam, Cuba, Puerto Rico, and the Philippines to the US
description: territorial flag is dark blue with a narrow red border on all four sides; centered is a red-bordered, pointed, vertical ellipse containing a beach scene, a proa ( outrigger canoe with sail), and a palm tree; the word GUAM in red is centered in the ellipse; the proa is sailing in Agana Bay with the promontory of Puntan Dos Amantes in the background meaning: blue stands for the sea and red for the blood shed in the fight against oppression; the central emblem is shaped like a Chamorro sling stone (a weapon for defense or hunting)
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05
