The , formerly known as Sperrgebiet (German, meaning "Prohibited Area"; also known as Diamond Area 1) is a diamond mining area in southwestern Namibia, in the Namib Desert. It spans the Atlantic Ocean-facing the coast from Oranjemund on the border with South Africa, to around north of Lüderitz, a distance of north. It extends to around inland, and its total area of , makes up three percent of Namibia's land mass. However, mining only takes place in five percent of the Sperrgebiet, with most o…