What Chinese city is situalted at the mouth of chang jiang river?

Shanghai is the Chinese city situated at the mouth of the Chang Jiang River. It is the most populous city in China and one of the most populous cities in the world, with a population of over 24 million people. Shanghai is a global financial center and a major transportation hub, with the world's busiest container port. The city is also a major cultural center, home to many museums, art galleries, and theaters.