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In this paper we present the results of two detailed N-body simulations ofthe interaction of a sample of four massive globular clusters in the innerregion of a triaxial galaxy. A full merging of the clusters takes place,leading to a slowly evolving cluster which is quite similar to observed NuclearClusters. Actually, both the density and the velocity dispersion profiles matchqualitatively, and quantitatively after scaling, with observed features of manynucleated galaxies. In the case of dense initial clusters, the merger remnantshows a density profile more concentrated than that of the progenitors, with acentral density higher than the sum of the central progenitors centraldensities. These findings support the idea that a massive Nuclear Cluster mayhave formed in early phases of the mother galaxy evolution and lead to theformation of a nucleus, which, in many galaxies, has indeed a luminosityprofile similar to that of an extended King model. A correlation with galacticnuclear activity is suggested.

Merging of globular clusters within inner galactic regions. II. The Nuclear Star Cluster formation