Debates about city-regions tend to renew long-standing arguments that policy-making ought to be organised around more functional urban areas. This collection draws on evidence from the US, Australia, the UK and the Netherlands to focus on how city region spaces and their governance institutions are changing.

Every 20 years since 1920, Madrid has undergone an urban planning cycle in which a city plan was prepared, adopted by law, and implemented by a new institution. This preparation-adoption-institutionalization sequence, along with the institution's structures and procedures, have persisted a with some exceptions a despite frequent upheavals in society. The planning institution itself played a lead role in maintaining continuity, traumatic history notwithstanding. Why and how was this the case? Madrid's planners, who had mostly trained as architects, invented new images for the city and metro...

Does the 'city region' constitute a new departure in urbanisation? If so, what are the key elements of that departure? The realities of the urban in the 21st century are increasingly complex and polychromatic. The rise of global networks enabled by supranational administrations, both governmental and corporate, strongly influences and structures the management of urban life. How we conceive the city region has intellectual and practical consequences. First, in helping us grasp rapidly changing realities; and second in facilitating the flow of resources, ideas and learning to enhance the...