Crete is the largest and most populous of the greek islands. While there are many places to see in Greece and areas surrounding it you might want to consider keeping crete on the top of your travel lists.
If you are planning to travel to crete then there are many options but going overland to crete may be one of the most interesting options. Once you plan everything you should also consider grabbing the best travel luggage which is one of the most important part of your travel setup.