In 349 BC, Philip started the siege of Olynthus, which, apart from its strategic position, housed his relatives Arrhidaeus and Menelaus, pretenders to the Macedonian throne.
Pada tahun 349 SM, Filipus mulai mengepung Olynthos, yang, terlepas dari posisi strategisnya, menampung kerabatnya Arrhidaios dan Menelaus, pretender takhta Makedonia.