<Tr> <Th> Time zone </Th> <Td> (UTC + 1 to + 4) </Td> </Tr> <Tr> <Td_colspan="2"> Website www.sadc.int </Td> </Tr> <P> The Southern African Development Community (SADC) is an inter-governmental organization headquartered in Gaborone, Botswana . Its goal is to further socio - economic cooperation and integration as well as political and security cooperation among 16 southern African states . </P> <Table> <Tr> <Th> African Union </Th> </Tr> <Tr> <Th> </Th> </Tr> <Tr> <Th> This article is part of a series on the politics and government of the African Union </Th> </Tr> <Tr> <Td> Institutions (show) <Ul> <Li> Casablanca Group </Li> <Li> Union of African States </Li> <Li> Organisation of African Unity </Li> <Li> African Economic Community </Li> <Li> African Unification Front </Li> </Ul> </Td> </Tr> <Tr> <Td> Executive (show) <Ul> <Li> Assembly <Ul> <Li> Chairperson </Li> </Ul> </Li> <Li> Commission <Ul> <Li> Chairperson </Li> <Li> Conference and Events </Li> <Li> Peace & Sec . </Li> <Li> Pol . Affairs </Li> <Li> Infra . & Energy </Li> <Li> Soc . Affairs </Li> <Li> HR, Sci., & Tech . </Li> <Li> Trade and Industry </Li> <Li> Rural Econ . & Agri . </Li> <Li> Economic </Li> <Li> Legal Counsel </Li> </Ul> </Li> <Li> Executive Council <Ul> <Li> Rep. Committee </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Legislature (show) <Ul> <Li> Pan-African Parliament <Ul> <Li> President </Li> <Li> Bureau </Li> <Li> Secretariat </Li> <Li> List of members </Li> </Ul> </Li> <Li> Permanent Committees <Ul> <Li> Rural Econ., Agri., Resources, Environ . </Li> <Li> Monetary & Financial </Li> <Li> Trade, Customs, & Immigration </Li> <Li> Cooperation, IR, & Conflict </Li> <Li> Transport, Industry, Communications, Energy, Science, & Tech . </Li> <Li> Health, Labour, & Social </Li> <Li> Educ., Culture, Tourism, & HR </Li> <Li> Gender, Family, Youth, Disabilities </Li> <Li> Justice & Rights </Li> <Li> Rules, Privileges, & Discipline </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Judiciary (show) <Ul> <Li> Sirte Declaration </Li> <Li> Constitutive Act of the AU </Li> <Li> Law <Ul> <Li> Charter on Rights </Li> <Li> Commission on Human and Peoples' Rights </Li> </Ul> </Li> <Li> Court of Justice </Li> <Li> Court on Human and Peoples' Rights <Ul> <Li> List of judges </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Advisory bodies (show) <Ul> <Li> Peace and Security Council </Li> <Li> Economic, Social, and Cultural Council </Li> <Li> Specialised Technical Committees <Ul> <Li> Rural Econ., Agri . </Li> <Li> Monetary & Financial </Li> <Li> Trade, Customs, and Immigration </Li> <Li> Industry, Sci. & Tech., Energy, Natural Resources, & Environment </Li> <Li> Transport, Comm., Tourism </Li> <Li> Health, Labor, Social </Li> <Li> Edu., Culture, & Human Resources </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Financial bodies (show) <Ul> <Li> AEC Pillars (Abuja Treaty) <Ul> <Li> CEN - SAD </Li> <Li> COMESA </Li> <Li> EAC </Li> <Li> ECCAS / CEEAC <Ul> <Li> CEMAC </Li> </Ul> </Li> <Li> ECOWAS <Ul> <Li> UEMOA </Li> <Li> WAMZ </Li> </Ul> </Li> <Li> IGAD </Li> <Li> SADC <Ul> <Li> SACU </Li> </Ul> </Li> <Li> AMU / UMA </Li> </Ul> </Li> <Li> African Central Bank </Li> <Li> African Monetary Fund </Li> <Li> African Investment Bank </Li> <Li> New Partnership for Africa's Development <Ul> <Li> African Peer Review Mechanism </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> Decentralised bodies (show) <Ul> <Li> Agencies of the AU </Li> </Ul> </Td> </Tr> <Tr> <Td> Related topics (show) <Ul> <Li> Elections </Li> <Li> Enlargement </Li> <Li> Foreign relations </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> Other countries </Li> <Li> Atlas </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table>

How many countries are in the sadc region