United Nations Association of South Africa | 3,806 followers on LinkedIn. Peoples' Movement of the United Nations in South Africa | United Nations Association of South Africa (UNASA) is a non-governmental organisation whose objective is to support the principles, goals and programmes of the United Nations (UN) and its agencies. There are UNASA chapters across the country, working in partnership with other organisations to promote peace and harmony, as well as economic, social and cultural progress in South Africa.