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.

1. Tokyo

Population: 33,800,000
Country: Japan

Tokyo is the capital of Japan. This huge, wealthy and fascinating metropolis brings high-tech visions of the future side by side with glimpses of old Japan, and has something for everyone. Over 400 years old, the city of Tokyo grew from the modest fishing village of Edo. Now it is the destination for business, education, modern culture, and government. Tokyo is vast it's best thought of not as a single city, but a constellation of cities that have grown together.

2. Seoul

Population: 23,800,000
Country: South Korea

Seoul is the largest city in South Korea, its capital and the unquestioned economic, political and cultural hub of the country. Seoul suffers from a partly unwarranted reputation for pollution and traffic jams. These days, strict emissions laws have brought the pollution under control and, while traffic jams do still snarl up Seoul's streets at rush hour, the extensive subway network means that the traveler can easily shortcut through it almost all of the time. With beautiful palaces, great food and a hopping nightlife.

3. Mexico City

Population: 22,800,000
Country: Mexico

Mexico City is the capital of Mexico. Mexico City, forms a rough oval of about 60 by 40 kilometers, on the dry bed of lake Texcoco, surrounded on three sides by tall mountains and volcanoes such as the Ajusco, the Popocatepetl and the Ixtlacihuatl. The city is located 2200 meters above the sea level. Mexico City's night life is like all other aspects of the city it's huge. There is an enormous selection of venues clubs, bars, restaurants, cafes, and variations and combinations thereof to choose from. There is incredible variation, from ultramodern lounges in Santa Fe and Reforma, to decades-old dance halls in Centro and Roma. There are also pubs in Tlalpan and clubs of every stripe in Insurgentes, Polanco, Condesa and the Zona Rosa.

4. Delhi

Population: 22,200,000
Country: India

Delhi is northern India's largest city. One part of it, known as New Delhi, is officially designated the capital of India, but the names are often used interchangeably. Delhi is said to be one of the oldest existing cities in the world, along with Damascus and Varanasi. Legend estimates it to be over 5000 years old. Over the millennia, Delhi is said to have been built and destroyed 11 times. Delhi is as flat as a pancake. River Yamuna flows down the eastern side of the city and the Aravalli Hills form a wide but low arc across the west. On the west bank are crowded and congested Old Delhi and, to the south, the broad, tree-lined avenues of New Delhi, built by the British to rule their empire. The rest is an endless low-rise sprawl of suburbia and slums, with southern Delhi generally somewhat wealthier and the western reaches rather poorer.

5. Mumbai (Bombay)

Population: 22,200,000
Country: India

Mumbai, earlier known as Bombay, is the largest city in India and the capital of Maharashtra state. Mumbai is different from the rest of India in pretty much the same way that New York is different from the United States. The pace of life is more hurried time is money and money is important. The idea that in this city one can always make a living one way or another is pervasive. Mumbai is one of India's largest port cities and looms large as the commercial capital of India. Its nature as the most eclectic and cosmopolitan Indian city is symbolised in the presence of Bollywood within the city, the centre of the globally-influential Hindi film and TV industries

6. New York

Population: 21,900,000
Country: USA

The metropolis of New York is at the mouth of the Hudson River in southern New York state. It is part of the Mid-Atlantic region on the Eastern Seaboard of the USA. The New York Metropolitan Area extends across three states—including lower New York , northern New Jersey and parts of southwestern Connecticut. New York City is one of the global centers of international finance, politics, communications, film, music, fashion, and culture, and is among the world's most important and influential cities. It is home to many world-class museums, art galleries, and theatres. Many of the world's largest corporations have their headquarters here. The headquarters of the United Nations is in New York and most countries have a consulate here. Immigrants from over 180 countries live here, making it one of the most cosmopolitan cities in the world. Travelers are attracted to New York City for its culture, energy and cosmopolitanism.

7. Sao Paulo

Population: 20,900,000
Country: Brazil

Sao Paulo is the largest city in Brazil. It is the capital of the Southeastern state of Sao Paulo, and also a beehive of activity that offers a jovial nightlife and an intense cultural experience. Sao Paulo is one of the richest cities in the southern hemisphere. A large sprawling city can present numerous challenges to sensibilities. Although the first impression might be that of a grey concrete jungle, soon it becomes apparent that the city has a great number of pockets of beauty. The population and environment of Sao Paulo is diverse, and districts within it range from extremely luxurious areas to hovels housing the poor and destitute, located usually in suburbia far from the so-called "expanded center".