Political Status:
Unincorporated Territory of the United States

Capital City:
Hagåtña (formerly named Agaña)

Location:
13.48º N, 144.45ºE (Western Pacific)

Land Area:
212 square miles / 549 square kilometers

Official Languages:
English and Chamorro

Time:
Chamorro Standard Time (GMT+10)

Population:
159,385 (2010 Census)

Noun/Adjective for the Indigenous Guamanian People:
Chamorro

Surrounding Bodies of Water:
Philippine Sea to the West and
the Pacific Ocean to the North, South, and East.

Nearest Neighboring Island:
Rota (CNMI); 30 miles / 49 kilometers to the North

Highest Point:
Mount Lamlam (elevation: 1,334 feet above sea level)

Telephone Area Code:
671 (domestic; North American Numbering Plan)

Tourist District:
Tumon

Financial District:
Tamuning

Institutions of Higher Education:
University of Guam
Guam Community College

Currency:
U.S. Dollar

Electricity:
120 volt/60 cycle

Climate:
Averaging 81 degrees Fahrenheit (28 degrees Celsius)

Seasons:
Dry seasons between January and May;
Rainy seasons between October and December

Rainfall:
Annual Average is approximately 80 inches (2,509 millimeters)

Municipalities / Villages (19):

Northern Guam
Dededo
Yigo

Central Guam
Agana Heights
Asan-Maina
Barrigada
Hagåtña
Ordot/Chalan-Pago
Mangilao
Mongmong-Toto-Maite
Sinajana
Tamuning-Tumon

Southern Guam
Agat
Inarajan
Merizo
Piti
Santa Rita
Talafofo
Umatac
Yona

Local Government:

EXECUTIVE BRANCH

Office of the Governor
The Honorable Eddie Baza Calvo
Governor of Guam
Ricardo J. Bordallo Governor's Complex
Adelup, Guam 96910

Phone: (671) 472-8931
Fax: (671) 477-4826

Office of the Lieutenant Governor
The Honorable Ray Tenorio
Lieutenant Governor of Guam
Ricardo J. Bordallo Governor's Complex
Adelup, Guam 96910

Phone: (671) 475-9380/3
Fax: (671) 477-2007

Find an Executive Agency
 

LEGISLATIVE BRANCH

Guam Legislature:
Unicameral; 15 senators elected at large every two years; Speaker elected from amongst the membership

I Mina Trentai Unu na Liheslaturan Guahan, 31st Guam Legislature
The Honorable Judith T. Won Pat, Ed. D.
Speaker
155 Hesler Place
Hagåtña, Guam 96910

Phone: (671) 472-3586/7
Fax: (671) 472-3589
 

JUDICIAL BRANCH

Supreme Court of Guam
The Honorable F. Philip Carbullido
Chief Justice
Guam Judicial Center, Suite 300
120 West O'Brien Drive
Hagåtña, GU 96910

Phone: (671) 475-3120/3162
Fax: (671) 475-3140

Superior Court of Guam
The Honorable Alberto C. Lamorena, III
Presiding Judge
Guam Judicial Center, Suite 300
120 West O'Brien Drive
Hagåtña, GU 96910

Phone: (671) 475-3544
Fax: (671) 477-3184