Earlier quoted context omitted.
No, it is not quite the same as Moscow and Washington are capitals of centralised states who give orders to the whole nation. The EU on the other hand does not have a common constitution, army etc. so is not a real state (yet). It is made up of soveraign nations who come together debate and decide there, but then it is still up to the members to implement that. So the transition to the EU as one state is happening, b…
It doesn't imply that the EU is one state. It's just the place where the decisions are made. If Brussels didn't like anyone knowing that, I'm sure other cities in the EU would happily take the gobs of free money showered on wherever the EU is headquartered.
https://en.wikipedia.org/wiki/Seat_of_the_European_Parliamen...
Spoiler, the parliamanet moves once a month between Brussel and there. That's how centralized the EU is, we cannot even decide on one fixed place to meet and decide.