2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/213334The article surveys published and not yet published results about moduli spaces of algebraic surfaces.19 pages, expanded text of a talk given at the joint Conference of the Italian Mathematical Union and the Deutsche Mathematicsche VereinigungAlgebraic Geometry14J10, 14J15,14J29,14J17,53D05Algebraic Surfaces and their Moduli Spaces: Real, Differentiable and Symplectic Structurestext