Tuvalu is an island country located in the Pacific Ocean. The country is made up of nine islands and has a population of 10,000 people. Tuvalu is a member of the Commonwealth of Nations and uses the Tuvaluan dollar as its currency. The country’s official language is Tuvaluan. To call Tuvalu from Macau, you will need to dial the country code of 688, followed by the area code of the destination you are calling.