This book constitutes the refereed post-conference proceedings of the 6th International
Conference on Variable Neighborhood Search ICVNS 2018 held in Sithonia Greece in October
2018. ICVNS 2018 received 49 submissions of which 23 full papers were carefully reviewed and
selected. VNS is a metaheuristic based on systematic changes in the neighborhood structure
within a search for solving optimization problems and related tasks. The main goal of ICVNS
2018 was to provide a stimulating environment in which researchers coming from various
scientific fields could share and discuss their knowledge expertise and ideas related to the
VNS metaheuristic and its applications.