Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.

Katsuobushi, a type of dried and smoked tuna that is often used to flavor dishes and is a key ingredient in dashi.

The Japanese automotive industry has been impacted by demographic changes, such as an aging population and declining birth rates, which have affected demand for cars and the availability of workers.