This intense summer school focusing on halide perovskites was dedicated to provide its participants with in-depth knowledge on the cutting-edge techniques, both experimentally and theoretically, to study these fascinating materials and their applications. The lecturers are well-known researchers from all over Europe (France, Switzerland, Greece, UK and the Netherlands) in the field. They have given excellent courses on theory and experiments related to perovskites. Have a look at the HPERO website for our program and further information!