2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/230991We review 5D holographic approaches to finite temperature QCD. Thermodynamic properties of the "hard-wall" and the "soft-wall" models are derived. Various non-realistic features in these models are cured by the set-up of improved holographic QCD, that we review here.Invited review paper for Mod. Phys. Let AHigh Energy Physics - Theorytext