The Conference addresses the subjects of regional development in an integrated way in accordance with the principles of sustainability. It has become apparent that planners, environmentalists, architects, engineers, policy makers and economists have to work together in order to ensure that planning and development can meet our present needs without compromising the ability of future generations. Effective strategies for management should consider planning and regional development, two closely related disciplines, and emphasise the demand to handle these matters in an integrated way. This conference provides a common forum for all scientists specialising in the range of subjects included within sustainable development and planning.These volumes contain papers from the Fourth International Conference on Sustainable Development and Planning and include papers from the following topics: City planning, Regional planning, Social and political issues, Sustainability in the built environment, Rural development, Cultural heritage, Transportation, Safety of users in road evacuation, Ecosystems analysis, protection and remediation, Environmental management, Environmental impact assessment, Indicators of sustainability, Sustainable solutions in developing countries, Sustainable tourism, Resources management, Waste management.