Seoul, officially the Seoul Special City, is the capital and largest city of South Korea. A megacity with a population of over 10 million, it is one of the largest cities in the world. The Seoul National Capital Area is the world's second largest metropolitan area with over 24.5 million inhabitants, which includes the Incheon metropolis and most of Gyeonggi province. Almost half of South Korea's population live in the Seoul National Capital Area, and nearly a quarter in Seoul itself, making it the country's foremost economic, political, and cultural center.

Tokyo - officially Tokyo Metropolis, is one of the 47 prefectures of Japan. It is located on the eastern side of the main island Honshū and includes the Izu Islands and Ogasawara Islands. It is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family. The city is famed for its vibrant food scene, and its Shibuya and Harajuku districts are the heart of its trendy teen fashion scene.

Beijing is a metropolis in Northern China, and the capital of the People's Republic of China. It is one of the most populous cities in the world. Governed as a municipality under direct administration of the central government, Beijing borders Hebei Province to the north, west, south, and for a small section in the east, and Tianjing Municipality to the southeast. As the last of the Four Great Ancient Capitals of China, Beijing has been the political center of the country for much of the past eight centuries. Beijing has a glorious past, but is by no means stuck in the past. Standing side-by-side with old Beijing's crimson palace complexes are the city's modern buildings, the super-modern Olympic Village, with the Bird’s Nest Stadium and Water Cube; the dazzling shopping malls in Wangfujing Street and the colorful entertainment center of Houhai. The city is renowned for its opulent palaces, temples, parks, gardens, tombs, walls and gates, and its art treasures and universities have made it a center of culture and art in China! 

Osaka is a designated city in the Kansai region of Japan. Located at the mouth of the Yodo River on Osaka Bay, it is known for its modern architecture, rip-roaring nightlife and delectable street food. Historically a merchant city, Osaka is traditionally considered the "nation's kitchen" (天下の台所 tenka no daidokoro) or the gourmet food capital of Japan that served as a center for the rice trade during the Edo period. The city has a long history and is home to many ancient shrines and temples, and to the famous Osaka Castle, built by Toyotomi Hideyoshi in the late sixteenth century.

Shanghai is the cool, confident face of modern China, and its energy is infectious. Located in the Yangtze River Delta in East China, Shanghai sits on the south edge of the mouth of the Yangtze in the middle portion of the Chinese coast. Shanghai is a popular tourist destination renowned for its historical landmarks such as The Bund, City God Temple and Yu Garden as well as the extensive Lujiazui skyline, many skyscrapers, and major museums including the Shanghai Museum and the China Art Museum. It has been described as the "showpiece" of the booming economy of mainland China. Go to its heart, The Bund, to watch ships on the river and marvel at the huge variety of architectural styles on display, or watch the crowds go by in People's Square!