In Wageningen, from Mon 22 June 2020 09:00 until Fri 26 June 2020 13:00. This is not free but is good value. See https://www.wur.nl/en/Research-Results/Research-Institutes/plant-research/biometris/show-biometris/Joint-ESSA-DeSIRE-Summer-School-2020-Agent-Based-Modelling-for-Resilience-Making-it-happen.htm for details.