A Greece Passenger Locator Form is required if you are traveling to Greece and need to comply with local path and follow requirements before boarding the airplane. The form could be filled out in person or by email, fax or e-mail. In any case you will be requested to give evidence of your identity, a current picture and a copy of your passport. You will also be required to declare in which you live and any other place that you would like to travel to Greece. A PLF is a legal document that proves you have legally traveled to Greece and got the essential travel documents.