I am trying to decide how long to be in Athens. I have some people to visit, I want to do some of the city walks (Lycabettus, Philopappou), and I also want to visit some of the sites. I have visited most of the sites in the past, so I am not going to go too crazy here. My goal for Greece is to relax, visit people, making go to a beach of two. I am thinking of picking a good island with beaches and spending maybe 5 nights at this island, and then possibly spending the rest of the time in Athens. I am trying to decide if I will spend 3 weeks or more in Greece this summer. I think two weeks in Athens sounds like a lot, but on the other hand, I love to just pick one or two spots and really enjoy them during my time in Greece, rather than travel all around and get exhausted. What do you think?