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.

The Tokyo 2020 Olympic Games, originally scheduled for 2020 but postponed due to the COVID-19 pandemic, are set to take place in 2021.

Kitakyushu is a major industrial city in southwestern Japan, located on the island of Kyushu, and is known for its steel and automotive industries.