This report presents the results of the work done in the EU Joint Action on Vaccination (EU-JAV) Work Package 8 (WP8) task 8.1. The aim of task 8.1 is to develop a systematic overview and analysis of the current situation of activities related to vaccine hesitancy and uptake, including best practices and lessons learned in the Member States and their regions. This report has been written by the EU-JAV team at the Finnish Institute for Health and Welfare (THL) leading this work in the EU-JAV.