Economic challenges in developing Asian countries have become more complex: urban populations are growing at great cost to the environment, climate change has increased risks of natural disasters, and income gaps within and between developing countries are widening. These factors threaten the sustainable growth and development of urban areas, the drivers of Asia's economy. A strategic approach for inclusive growth is needed. The City Cluster Economic Development approach provides a strategic framework and a set of analytical tools, which governments, businesses, and communities can use to support the inclusive and sustainable development of competitive urban economies in Asia. Said approach was developed and tested by the Asian Development Bank to improve the basis for integrated planning and development of urban regions in Asia and the Pacific. It also helps urban managers and other city stakeholders identify action plans and determine priority investment areas.