The MUSOL Foundation is headquartered in Valencia and has branches in other regions and abroad. In Spain, the MUSOL Foundation is organized territorially by regions, and within these areas, it can be organized by province, municipality, or other homogeneous territorial units. The functions of the branches in Spain include, among others, promoting the participation of local collaborators in institutional life, as well as implementing communication, outreach, awareness-raising, sustainable development actions, and development education initiatives within their areas of responsibility.