What cultural differences should I be aware of? 

Greece is a country with a very rich history with many famous archaeological sites and historical monuments. The majority of the Greek population has memories of refugee crises, respepct refugees and you will find many to help you in your efforts to integrate into the local community. Language is one of the most important elements of Greek culture. Traditions in Greece can either be religious or come from local communities. An important role in a large portion of the population is played by religion (Orthodox Christian) and plays an important role in the understanding everyday culture and customs.