By constitutionalizing territorial decentralization, the Cameroonian constituent of January 18, 1996 profoundly transformed the Cameroonian administrative landscape, followed by the legislator of July 22, 2004. As a result of these different reforms, the local administrative landscape has been enriched by new bodies that are in fact actors of decentralization. Among these, we can cite the syndicate of municipalities. Although this last body has not been sufficiently studied, it should be noted that it is an actor that complements the action of the communes. The syndicate of communes is nothing more than a public inter-municipal establishment intended to ensure inter-municipal cooperation and solidarity. This is what makes it a major organ of Cameroonian decentralization.