The population of Romania is slightly less than the pop of Greater London, both being round the 20 million mark. But if you're running the kind of repressive regime that Ceaușescu was operating, you need a pretty big office to operate from. Here's the totally OTT Government Palace in Bucharest:-
(i) unimpressive rear entrance showing the scale of the building: (check out the size of the cars):
(ii) main facade, like a Vegas hotel:
In comparison, the Mayor of London administrates from one small office block; (check out the size of the people ):-
Bottom Line: For admin, Bucharest wins on architecture but loses on governance.