old, historic. A place that has a long history. E.g. Athens is an ancient city, which was established thousands of years ago.

A crowded, busy, lively, fast-paced, hectic place. E.g. New York is a bustling city, one of its nicknames is "The City That Never Sleeps".

Modern, very up to date. E.g. manchester is a city with a very contemporary, modern feel.