Stellar clusters are some of the most visible characteristics in galaxies. Studies have found that late-galaxies show two distinct populations of stellar clusters (e.g. Simanton et al. 2015a), an older component (globular clusters) and another younger one (open clusters). Studying the different populations of star clusters in galaxies can give us clues about the evolution and current state of galaxies (Pérez et al. 2013). In the framework of the hierarchical model of galaxy formation, the current state of galaxies is preceded by a great history of interactions and mergers of smaller elements. A consequence of this model of galaxy formation is a continuous formation of stars, therefore stellar clusters of all ages in galaxies should be observed. The detection and observational studies of stellar clusters has focused in old clusters (e.g., Zepf & Ashman 1993, Ashman & Zepf 1998, Brodie & Strader 2006 and references in) and in young clusters (e.g, Larsen & Richtler 1999, Bica et al. 2003). Recently, with the help of the HST, works about a new star clusters class has been done (e.g., Whitmore et al. 1999 (Antennae), Mayya et al. 2008 (M82), Santiago-Cortés et al. 2010 (M81) ), which have explored a new class of stellar clusters: super stellar clusters (SSC). These have characteristics similar to the globular clusters (mass, compactibility, etc.) and being the main candidates of an evolutionary state previous to the GCs they are essentially intermediate age clusters. In this seminar we will talk about the properties of the different stellar clusters.