Words similar to city-within-a-city

Example sentences for: city-within-a-city

How can you use “city-within-a-city” in a sentence? Here are some example sentences to help you improve your vocabulary:

Families love this city-within-a-city on the beach.
Though many Cubans have now moved on to wealthier neighborhoods this city-within-a-city full of small shops, cafés, and restaurants still has the flavor of the old life.