天津, or Tianjin, is a major city in northern China, located near the Bohai Sea. It serves as a key port and industrial center, playing a significant role in the country's economy. With a population of over 15 million, it is one of the largest cities in China and has a rich history influenced by various cultures. The city is known for its unique blend of modern and traditional architecture, including the Tianjin Eye, a giant Ferris wheel, and the historic Italian Concession area. Tianjin also boasts several universities and cultural institutions, making it an important educational hub in the region.