- Hagåtña - (formerly Agana or Agaña), is the capital of the island and the seat of government. Sightseeing spots include: the Chamorro Village on Wednesday nights; a multi-storeyed latte stone built next to Adelup on the beach; the Council of the Arts and Humanities gallery; and the Guam Preservation Trust's historic walking tour of the village - the tour includes pre-war latte stones, Spanish Era buildings, and WWII fortifications. Visit on July 21 and you'll see the annual Liberation Day parade.
- Agana Heights - Suburban area in the hills above Hagåtña. Fort Apugan, a Spanish Era fort looks out over Hagåtña Bay and the island.
- Asan - Home to the War in the Pacific Park's Asan Beach Park. The park preserves the shoreline where the Marines and Army landed to retake the island in 1944.
- Inarajan - Gef Pa'go Cultural Park - features handicrafts, dance performances and local food.
- Mangilao - Home to higher learning institutions on the island - the University of Guam and Guam Community College
- Tumon - Tourism district that features high-end shopping and hotels, bustling nightlife and adult entertainment.
- Umatac - Visit during March to see a re-enactment of Ferdinand Magellan's landing, complete with burning huts and angry islanders.