SADC

The Southern African Development Community (SADC) has 15 member states:

•  Angola
•  Botswana
•  Democratic Republic of the Congo – since 8 September 1997
•  Lesotho
•  Madagascar – membership reinstated on 30 January 2014^[1]
•  Malawi
•  Mauritius – since 28 August 1995
•  Mozambique
•  Namibia – since 31 March 1990 (since independence)
•  Seychelles – also previously been a member of SADC from 8 September 1997 until 1 July 2004 then joined again in 2008.
•  South Africa – since 30 August 1994
•  Swaziland
•  Tanzania
•  Zambia
•  Zimbabwe

(Source: http://en.wikipedia.org/wiki/Southern_African_Development_Community)