I've requested many times for chibi ancients of Mama Greece, Mama Egypt, Cartagho, Britannia, Gaul and Byzanthium so... can it be the two at the bottom are Carthago and Byzanthium? Though if that is Byzanthium it means Himaruya-san scrapped his plan of making Byzanthium be Mama Greece... (which is probably for the better as many didn't agree with this interpretation...)