Kos is generally considered a safe destination for solo female travelers. Instances of crime are relatively low, and locals are typically friendly and helpful towards travelers. However, like any travel destination, one should be cautious, especially during the night or in less crowded areas. Moreover, standard safety measures, like not leaving personal belongings unattended and being aware of your surroundings, should also be practiced. Greek people are known for their hospitality, so don't hesitate to ask for help if needed.