East Asia is a region of the world located in the eastern part of Asia and is made up of many countries and cities. Cities in East Asia include the capital cities of the countries located in the region such as Tokyo (Japan), Beijing (China), Seoul (South Korea), Taipei (Taiwan), and Hong Kong (Hong Kong). All of these cities are very big and have a lot of people and things to see. There are lots of shops, restaurants, museums, and other attractions in all of these cities that make them fun to explore.