The Assembly of French Polynesia is the territory's elected legislature and one of the more interesting civic stops in central Papeete. It stands on the site associated with the former royal residence of Queen Pomare IV, so the setting carries more history than the modern administrative function first suggests.
You do not need a long visit: the appeal is the building, the gardens, and the sense of how French Polynesia governs itself from the middle of Tahiti's busy capital. Pair it with the cathedral, market, and waterfront for a compact walk through Papeete's civic core.