Rome

Rome is the eternal capital of Europe. It's head to head with Athens in terms of most historical cultural capital, as it can be seen by the dozens of ruins and renaissence monuments spreaded around the old part of the city.
While London is the european capital with a bigger number of population, Rome is the european capital with the biggest dimensions.
In Rome it's also sitted the Vatican, a city-state, with it's own government and is also the oficial residence of the Pope.
Rome is a caotic city whose population is dominated by italians, as it doesn't happens in other european capitals.
In Rome be prepared to delight yourself with the best food you've ever tasted and with best prices.
If you want a cultural european vacations, with the best food in the middle, then Rome is the place to go.