The United States dollar denoted by the ISO 4217 code USD is the official currency of Guam. It is also referred to as the American dollar and is the official currency of the United States of America as well. One dollar is divided into hundred cents or pennies.
Health insurance is strongly advised, owing to the high cost of health care. There is one civilian hospital, the Guam Memorial Hospital, and a number of private clinics, as well as some medical facilities run for US military personnel. For emergencies dial 911.
Guam lies between 13.2°N and 13.7°N and between 144.6°E and 145.0°E, and has an area of 212 square miles (549 km2), making it the 32nd largest island of the United States.