I think with that sort of gap from stern to quay you will be fine in most greek harbours (keel depth permitting). I have about 1.5m from transom to end of my pasarelle and havent found it necessary to go bows to for 2 years. My boat is 10.5m loa and has a draft of 1.7m. Having said that I agree that it is wise to poke your nose in and check out the base of the quay first. I should of course practise what I preach ... 2 weeks ago, I found the last remaining berth in the little harbour at Parga and duly dropped the hook 3 boat lengths out and nearly reversed over a sunken fishing boat

! - The sun was in my eyes I cried to try and hide my blushes! (The sunken boat has been there for a few years though so I should have remembered it)