Thenadu or Thinadhoo is the capital of Gaafu Dhaalu region in the atoll of Huvadhu and the proposed capital for the Upper South Province of the Maldives. It has its own dialect of Dhivehi which is considerably different from northern speech. It is pronounced as Thenadu in the Southern Maldives dialect. The name Thinadhoo is derived from Euphorbia hirta, locally known as Thina Vina (Thina Weed) a pantropical weed used for herbal medicines which grew in the island.