Other experts in the field of 'what to do in Greece' read our blogs here at Archaeologous as we are tour specialist both in Greece and Turkey. This link we are sharing has 100 best things to do in Greece. It is over 10,000 words and packed with practical tips and advice. Check it out. https://www.jenreviews.com/best-things-to-do-in-greece/ Once you get some ideas let us know if we can help put them together for your 2019 vacation.