[TheBMan]

Been to both - the poster above was spot on - Sofia is very spread out and not very walkable, Belgrade is more centralized with a main street area that has stores and restaurants in it. I used to go and enjoy walking there just to get out of the house but it felt small quick. But in Sofia there really wasnt a centralized place to go walk and kill an afternoon. Bulgaria has a little more of a wild west feel to it while Belgrade has more of a cookie cutter EE capital city feel. I think Belgrade really pops off during the summer though so if you are going to be there in the summer I'd keep that in mind.