Flag of Guam
territoryThe flag of Guam was adopted on February 9, 1948. Blue field with a red border and the territorial seal. It uses 4 colours: blue, red, green and brown. The official proportions are 22:41.
Basic Flag Information
| Flag Name | Flag of Guam |
|---|---|
| Country | Guam |
| Official Country Name | Guam |
| Capital | Hagåtña |
| Continent | Oceania |
| Region | Micronesia |
| ISO Country Code | GU / GUM |
| Internet Domain | .gu |
| Calling Code | +1671 |
| Currency | United States dollar (USD) |
| National Language(s) | Chamorro, English, Spanish |
| Demonym | Guamanian |
| Area | 549 km² |
| Population | 165,768 (2018 est.) |
Flag Specifications
| Official Flag Name | Flag of Guam |
|---|---|
| Adopted On | February 9, 1948 |
| First Used | 1917 |
| Current Version Adopted | February 9, 1948 |
| Flag Proportion | 22:41 |
| Flag Shape | Rectangle |
| Number of Colors | 4 |
| Main Colors | Blue, Red, Green, Brown |
| Design Type | Blue field with a red border and the territorial seal |
| Official Status | Official Territorial Flag |
Flag Color Information
| Color | Appearance | HEX Code | RGB | CMYK |
|---|---|---|---|---|
| Blue | #0071BC | 0, 113, 188 | 100, 40, 0, 26 | |
| Red | #ED1C24 | 237, 28, 36 | 0, 88, 85, 7 | |
| Green | #00A64F | 0, 166, 79 | 100, 0, 52, 35 | |
| Brown | #A97C50 | 169, 124, 80 | 0, 27, 53, 34 |
Flag Design and Symbols
| Blue colour | Represents the sea and the sky |
|---|---|
| Red colour | Represents the blood shed under occupation |
| Green colour | Represents the palm and the land |
| Brown colour | Represents the proa and shore |
| Almond-shaped seal | The shape of a Chamorro sling stone |
| Flying proa | The traditional outrigger canoe of the Chamorro people, sailing past a coconut palm on Agana Bay |
Flag History
| Year / Period | Event |
|---|---|
| 1917 | The design was first used |
| 1948-02-09 | The current flag was officially adopted |
| Present | The flag remains in official use |
| Present | The flag remains in official use |
Flag Dimensions and Construction
| Official Ratio | 22:41 |
|---|---|
| Width | 22 units (hoist) |
| Length | 41 units (fly) |
Guam Flag Usage
| Government Buildings | Yes |
|---|---|
| Schools | Yes |
| Civil Use | Yes |
| Official Ceremonies | Yes |
| Sports Events | Yes |
Other Official Flags of Guam
| Flag Type | Use | Link |
|---|---|---|
| National Flag | National representation | View flag |
| Civil Flag | Used by civilians | View flag |
| State Flag | Used by government | View flag |
| War Flag | Used during military operations | View flag |
| Naval Ensign | Used by the navy | View flag |
| Air Force Flag | Used by the air force | View flag |
| Presidential Standard | Used by the head of state | View flag |
| Royal Standard | Used by the monarch | View flag |
| Historical Flag | Previous national flag | View flag |
Quick Facts About the Flag
| Flag Age | 78 years old as of 2026 |
|---|---|
| Adoption Date | February 9, 1948 |
| Oldest Version | 1917 |
| Most Common Color | Blue |
| Similar Flags | Montenegro, West Virginia, Wyoming |
| Unique Feature | Blue field with a red border and the territorial seal |
Other bordered field with an emblem flags
See all
Facts about the Flag of Guam
- The flag is essentially the territorial seal on a blue field with a red border, and the seal is shaped like a Chamorro sling stone.
- The scene inside shows the mouth of the Hagåtña river with a proa under sail and a coconut palm bent by the wind.
- The flag of Guam was officially adopted on February 9, 1948.
- The design is older than its adoption. It was already in use in 1917, 31 years before it was formally made the flag of Guam.
- The flag in its present form is 78 years old as of 2026.
- Design type: Blue field with a red border and the territorial seal.
- The official proportions are 22:41.
- The flag uses 4 colours: blue, red, green and brown.
- The blue on the flag stands for the sea and the sky.
- The red on the flag stands for the blood shed under occupation.
- The green on the flag stands for the palm and the land.
- Almond-shaped seal: The shape of a Chamorro sling stone.
- Flying proa: The traditional outrigger canoe of the Chamorro people, sailing past a coconut palm on Agana Bay.
- The design belongs to the "Bordered field with an emblem" family, shared with 3 other flags in this reference.
- Flags most often confused with it: Montenegro, West Virginia and Wyoming.
- Guam is an unincorporated and organised territory of the United States, administered by the United States.
- Baseball and basketball are the most popular sports.
- The flag is flown everywhere on 21 July, Liberation Day.
Frequently Asked Questions about the Flag of Guam
When was the flag of Guam adopted?
The flag of Guam was officially adopted on February 9, 1948, though the design had already been in use since 1917.
What do the colours of the flag of Guam mean?
Blue for the sea and the sky, red for the blood shed under occupation, green for the palm and the land and brown for the proa and shore.
Is Guam an independent country?
Guam is an unincorporated and organised territory of the United States, administered by the United States, a status held since 1898.
What is the national sport of Guam?
Baseball and basketball are the most popular sports.
What do the symbols on the flag of Guam represent?
Almond-shaped seal — The shape of a Chamorro sling stone. Flying proa — The traditional outrigger canoe of the Chamorro people, sailing past a coconut palm on Agana Bay.
What are the proportions of the flag of Guam?
The official ratio is 22:41, which makes the flag rectangular.
When is the national day of Guam?
It falls on 21 July, Liberation Day, and the flag is flown across the country.
What is the capital of Guam?
The capital is Hagåtña. The currency is the United States dollar (USD) and the language spoken is Chamorro, English, Spanish.
Which flags look similar to the flag of Guam?
The closest matches are Montenegro, West Virginia and Wyoming, which share both the construction and most of the colours.
How many colours are on the flag of Guam?
It uses 4 colours: blue, red, green and brown.