This book is modest attempt to trace the history of regionalism at international level and to bring out its importance. After given a short description of the regional arrangements all over the world, the book focuses on South Asia (Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka) and the regional organization representing it, the South Asian Association for Regional Cooperation i.e. SAARC. The book focuses on SAARC, its origin and organization and also gives a detailed description of all the Declarations of SAARC Summit so that for further research these original documents could be made available in texts. The author has given special emphasis to the Social Charter of SAARC and has tried to bring out its importance. The book gives an account of the problems of SAARC and South Asia. This book concludes with some hope future prospects of regional cooperation and economic integration.