answers: Oceania
context: and a population density of . In Oceania, it is the largest and southernmost of the Mariana Islands and the largest island in Micronesia. Among its municipalities, Mongmong-Toto-Maite has the highest population density at , whereas Inarajan and Umatac have the lowest density at . The highest point is Mount Lamlam at above sea level. Since the 1960s, the economy has been supported by two industries: tourism and the United States Armed Forces. The indigenous Chamorros settled the island approximately 4,000 years ago. Portuguese explorer Ferdinand Magellan, while in the service of Spain, was the first European to visit the </s> taxes paid by local taxpayers (including military and civilian federal employees assigned to Guam). Lying in the western Pacific, Guam is a popular destination for Japanese tourists. Its tourist hub, Tumon, features over 20 large hotels, a Duty Free Shoppers Galleria, Pleasure Island district, indoor aquarium, Sandcastle Las Vegas–styled shows and other shopping and entertainment venues. It is a relatively short flight from Asia or Australia compared to Hawaii, with hotels and seven public golf courses accommodating over a million tourists per year. Although 75% of the tourists are Japanese, Guam receives a sizable number of tourists from South Korea, </s> the Chamorro people, who are believed to be descendants of Austronesian people originating from Southeast Asia as early as 2000 BC. The ancient Chamorro society had four classes: "chamorri" (chiefs), "matua" (upper class), "achaot" (middle class), and "mana'chang" (lower class). The "matua" were located in the coastal villages, which meant they had the best access to fishing grounds, whereas the "mana'chang" were located in the interior of the island. "Matua" and "mana'chang" rarely communicated with each other, and "matua" often used "achaot" as intermediaries. There were also ""makåhna"" or ""kakahna"", shamans with magical powers and ""Suruhånu"" or ""Suruhåna"" healers who
question: where is the guam located on a map