The name is a portmanteau of the French words "douze" for twelve and "jumelage" for twinning and stands for the twelve founder members, one for each European Union member state in 1991, when the Douzelage Charter was signed in Granville, France.
[1] The aims of the Douzelage are to promote and foster the spirit of Europe and to establish among others educational, economic, tourist, sporting and cultural links between the towns for the mutual benefit of the inhabitants thereof.
Douzelage is chaired by a president and two vice-presidents, all elected for a period of three years.
[1] Following Brexit in 2020, the English town of Sherborne is no longer situated in an EU-member state.
However, a 2018 Douzelage document states that the town "must not have any consequences related to the Brexit and continue as a member of Douzelage European Town Twinning", and as such has remained a member.