The big city is the place where all industrial, cultural and educational centers are situated. In big cities you can find museums, theaters, clubs, cinemas, big shops and hospitals, comfortable modern flats. Living in a huge metropolis you’ll never be bored, you can always find something interesting for you. Here is a list of the top 11 largest urban agglomerations in the world. Agglomerations include a central city and neighboring communities linked to it. Some agglomerations have more than one central city. Each of these cities is like a separate small country.