This special issue on ``"Cities in the 21st Century - A View from the Developing World" is edited by David Castells, Universidad de Barcelona, Barcelona, Spain, and Paula Herrera, Pontificia Universidad Javeriana, Bogotá, Colombia. With the exception of the editorial, all contributions to this special issue have already been published in earlier issues of REGION, for the sake of immediate exposure of the content.
REGION publishes articles and other contributions as they become ready. Published material accumulates in the table of content of the current issue until the issue is closed and a new current current issue started. Full issues are available in the archive.