I guess thsi question has been asked quite a bit earlier as well so apologise for that. I am travelling with my wife to london for the first time for 3 days/4 nights. We want to see the typical touristy things plus have good food/wine. want to be centrally located with good access to transportation. Flying and in and out of Heathrow. which are do u gusy suggest. Budget is 250USD ish. Is green park are ok? around Mayfair? any more suggestions?