Which village serves as Tuvalu’s de facto capital?

The village of Vaiaku serves as the de facto capital of Tuvalu.

While Funafuti Atoll is the official capital of the nation, Vaiaku—located on the islet of Fongafale—functions as the administrative center. It houses the majority of the country's government offices, including the Parliament, the High Court, and the offices of the prime minister and cabinet.12