The article provides an overview of the legal and administrative aspects of spatial governance and planning and of the related challenges. The legal dimension of spatial planning, administrative spatial planning traditions, as well as different frameworks and conditions for the governance of territorial regions are briefly introduced. On this basis, the various contributions that compose the special issue are framed and presented to the readers. In conclusion, a number of directions for further research are identified. Overall, the article serves as an editorial introduction and the various issues it touches upon are further specified in the individual contributions the compose the special issue