Vacation planning is often associated with the question, how much time in that part of the world where there is a desire to go. It often happens that the time difference does not affect the choice, if the rest is not very different from the everyday, but many people are exposed change adaptation and a long restructuring of the body to the new time zone.
Greece is in a border area of the junction of the lithospheric plates of the character, so their movement can cause earthquakes. However, there have been no cases when the tremors were more than 8 points. Usually earthquakes in Greece brought about great destruction, but to feel the tremors very easily.