Asan is a village

Villages of Guam

||The United States territory of Guam is divided into 19 municipalities more commonly called villages. Each municipality is governed by an elected mayor. Village populations range in size from under 1,000 to over 40,000. As of the 2000 census, the total population of Guam was 154,805. - History...

 located on the western shore of the U.S. territory of Guam

Guam

Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. The municipality

Municipality

A municipality is essentially an urban administrative division having corporate status and usually powers of self-government. It can also be used to mean the governing body of a municipality. A municipality is a general-purpose administrative subdivision, as opposed to a special-purpose district...

 of Asan-Maina combines Asan with Maina, a community in the hills to the east. It was a primary landing site for United States Marines

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

 during Guam's liberation from the Japanese in World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. Asan Beach Park is part of the War in the Pacific National Historic Park. Asan and Maina are located in the Luchan (Western) District.
Asan derives its name from the Chamorro

Chamorro

Chamorro may refer to:* Chamorro language, an Austronesian language spoken on Guam and the Northern Mariana Islands* Chamorro Party, a 19th century Portuguese political party...

 word hassan meaning scarce or rare.