The Regional Symposium on Landslides in the Adriatic-Balkan Region (ReSyLAB) is a biannual event, organized by the Adriatic-Balkan Network of the International Consortium on Landslides, Kyoto, Japan (ICL, http://icl.iplhq.org/). The 3 rd ReSyLAB in Ljubljana 2017 followed two previous successful symposia in Zagreb, Croatia (1 st ReSyLAB 2013) and Belgrade, Serbia (2 nd ReSyLAB 2015). A regional symposium aims specifically to strengthen the cooperation of the ICL members in the region and generally among the network of stakeholders involved in landslide research and landslide risk reduction. The next, 4 th ReSyLAB is scheduled for October 2019 and is to be held in Sarajevo, Bosnia and Hercegovina.