This book collects the proceedings of the first-ever academic conference on the Vikings in the Mediterranean, held in Athens on 27-30 November 2019. The meeting was jointly organised by the Norwegian, Swedish, and Danish Institutes there, in collaboration with the Swedish Research Council project The Viking Phenomenon (2015-00466), based at Uppsala University. Over the three days of the conference, some 27 papers were presented by 29 speakers, interspersed with receptions and functions spread across the venues of the Nordic Institutes.