This handbook presents an authoritative overview of South Asia through the lens of geopolitics, political dynamics, economics, human security, and sustainable development. It brings together key insights from various disciplines to provide an in-depth understanding of the genesis, course, and future potential of South Asia as a region. The handbook: Explores the post-colonial political landscape of India, Pakistan, Sri Lanka, the Maldives, Nepal, Bhutan and Afghanistan and analyses the challenges to political stability and governance in South Asia Studies the opportunities and challenges produced by globalization and recommends solutions towards greater connectivity and trade in South Asia Delves into the issues of climate change, water and land resource dependency, and energy security and singles out policy challenges as well as positive actions to promote sustainable development and implement the blue economy Discusses the political dynamics of regional cooperation between countries and the role of China in South Asian regional affairs An invaluable addition to the study of South Asia, this volume will be an indispensable resource for scholars, teachers and researchers of political science, international relations, South Asia studies, South Asian politics, history, defence and strategic studies, political economy, developmental studies, public policy and sustainability studies.