Matabeleland area has important gold deposits. Industries include gold and other mineral mines, and engineering. There has been a decline in the industries in this region as water is in short supply. Promises by the government to draw water for the region through the Matabeleland Zambezi Water Project have not been carried out. The region is allegedly marginalised by the government. Around the 10th and 11th centuries the Bantu-speaking Bakalanga arrived from the south and settled in Mapungubwe on the Limpopo and Shashi river valleys. Later they moved north to Great Zimbabwe. By the 15th century, the Bakalanga had established a
Foreigners and Borders Service and Borders Services ("Direção dos Serviços de Estrangeiros e Fronteiras"). Foreigners and Borders Service The Serviço de Estrangeiros e Fronteiras - SEF (English: Foreigners and Borders Service) is a police service integrated into the Ministry of Internal Affairs, whose mission is to enforce the immigration and asylum in Portugal, in accordance with the provisions of Constitution, law and government guidelines. Among other duties, SEF is the agency responsible for the border control and the issuing residence permits to foreign nationals legally residing in Portugal. Headquartered in Lisbon, the SEF is headed by a director general, including central and decentralised services.