The second largest city in Japan is Yokohama, which has 8 letters. Yokohama is located on the western coast of Tokyo Bay and is the capital of Kanagawa Prefecture. It is the most populous city in Japan after Tokyo, with a population of over 3.7 million people. Yokohama is a major commercial hub and port city, and is home to many international companies. It is also known for its vibrant nightlife and shopping districts.