27 cities · 19 states/provinces · Capital: Hagatna · Oceania
| Capital | Hagatna |
| Continent | Oceania |
| Region | Oceania |
| Subregion | Micronesia |
| Languages | Chamorro, English, Spanish |
| Currency | Dollar (USD) |
| Population | 165,768 |
| Density | 302.0/km² |
| Median Age | 30.3 |
| Urban Population | 94.1% |
| Birth Rate | 17.7 per 1K |
| Death Rate | 6.9 per 1K |
| Fertility Rate | 2.78 |
| GDP | $6.9 billion |
| GDP per Capita | $41,833 |
| HDI | 0.870 |
| Area | 549 km² |
| Driving Side | Right |
| Landlocked | No |
| Calling Code | ++1671 |
| TLD | .gu |
| ISO Code | GU / GUM |
| UN Member | No |
| Independent | No |
| Life Expectancy | 77.2 years |
| # | City | State/Province | Population | Avg Temp | Elevation |
|---|---|---|---|---|---|
| 1 | Dededo Village | Dededo | 44,943 | 80°F | 322 ft |
| 2 | Yigo Village | Yigo | 20,539 | 80°F | 459 ft |
| 3 | Tamuning | Tamuning | 19,685 | 80°F | 43 ft |
| 4 | Tamuning-Tumon-Harmon Village | Tamuning | 19,685 | 80°F | 43 ft |
| 5 | Mangilao Village | Mangilao | 15,191 | 80°F | 203 ft |
| 6 | Barrigada Village | Barrigada | 8,875 | 80°F | 217 ft |
| 7 | Santa Rita Village | Santa Rita | 7,500 | 80°F | 217 ft |
| 8 | Mongmong-Toto-Maite Village | Mongmong-Toto-Maite | 6,825 | 80°F | 141 ft |
| 9 | Chalan Pago-Ordot Village | Chalan Pago-Ordot | 6,822 | 80°F | 125 ft |
| 10 | Yona Village | Yona | 6,484 | 80°F | 295 ft |
| 11 | Apotgan | Tamuning | 5,224 | 80°F | 23 ft |
| 12 | Agana Heights Village | Agana Heights | 3,940 | 80°F | 171 ft |
| 13 | Adacao | Mangilao | 3,638 | 80°F | 16 ft |
| 14 | Agat Village | Agat | 3,292 | 80°F | 10 ft |
| 15 | Talofofo Village | Talofofo | 3,215 | 80°F | 295 ft |
| 16 | Inarajan Village | Inarajan | 3,052 | 80°F | 10 ft |
| 17 | Apra Harbor | Santa Rita | 2,930 | 80°F | 7 ft |
| 18 | Sinajana Village | Sinajana | 2,853 | 80°F | 180 ft |
| 19 | Chaguian | Yigo | 2,524 | 80°F | 302 ft |
| 20 | Anao | Yigo | 2,385 | 80°F | 39 ft |