2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49214We give a pedagogical introduction to hard photoproduction processes at HERA, including the production of jets, hadrons, and prompt photons. Recent theoretical developments in the three areas are reviewed.12 pages, 8 figures, to appear in the Proceedings of the Ringberg Workshop on ``New Trends in HERA Physics 1999''High Energy Physics - PhenomenologyPhoton Structure and the Production of Jets, Hadrons, and Prompt Photonstext