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.
Hagåtña is the capital of the United States territory of Guam. From the 18th through mid 20th century, it was Guam's population center, but today it is the second smallest of the island's 19 villages in both area and population. However, it remains one of the island's major commercial districts in addition to being the seat of government.
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.