​SCTM is a member of the Network of Associations of Local Authorities of South-East Europe (NALAS), the Council of European Municipalities and Regions (CEMR). In addition, various local self-government units and the Autonomous Province of Vojvodina are members of the Congress of Local and Regional Authorities of the Council of Europe (CLRAE). The Autonomous Province of Vojvodina is also a member of the Assembly of European Regions (AER).