Uis is a settlement located in the Erongo Region, Namibia. It belongs to the Dâures electoral constituency. Located in the former Damaraland, it is known for the local mineral wealth. The settlement was established in 1958 as workers' settlement to exploit local tin deposits. It has approximately 3,600 inhabitants and, before being downgraded from …Uis is a settlement located in the Erongo Region, Namibia. It belongs to the Dâures electoral constituency. Located in the former Damaraland, it is known for the local mineral wealth. The settlement was established in 1958 as workers' settlement to exploit local tin deposits. It has approximately 3,600 inhabitants and, before being downgraded from "village" to "settlement" in 2010, owned 10 square kilometres of land.