Proper noun Unincorporated territory of the United States; placed in Oceania. Official name: Territory of Guam. Translations Breton: Guam Bulgarian: Гуам Danish: Guam Dutch: Guam Esperanto: Gvamo Finnish: Guam French: Guam German: Guam Greek: Γκουάμ Interlingua: Guam Italian: Guam Japanese: グアム (guamu) Polish: Guam Portuguese: Guame Romanian: Guam n Russian: Гуам Spanish: Guam Swedish: Guam See: Countries of the world