Municipalities may establish cross-border cooperation in all areas of own and enhanced competence (LLSF, Art 30).

The Association of Kosovo Municipalities cooperates with various European associations. It has the observer status in Conference of European Regional Legislative Assemblies (CALRE) and the invited association status in the Council of European Municipalities and Regions (CEMR). Moreover, it is a permanent member of the Network of Associations of Local Authorities of South-East Europe (NALAS).