Fukuoka is the capital city of Fukuoka Prefecture and is situated on the northern shore of the island of Kyūshū in Japan. Voted number 14 in 2010's poll of the World's Most Livable Cities, Fukuoka is praised for its green spaces in a metropolitan setting. It is the most populous city in Kyūshū, followed by Kitakyūshū. It is the largest city and metropolitan area west of Keihanshin. It’s known for ancient temples, beaches and modern shopping malls, including Canal City. Maizuru Park contains ruins of 17th-century Fukuoka Castle.

Kagoshima, a seaside city on Japan's Kyushu Island, is the capital of Kagoshima Prefecture. It has been nicknamed the "Naples of the Eastern world" for its bay location (Aira Caldera), hot climate and impressive stratovolcano, Sakurajima. It is a historical city watched over by the looming bulk of Sakurajima (桜島), an active volcano that regularly dumps ash over the city and erupts a bit every now and then to remind people it's still there. The home of near-mythical samurai hero Saigo Takamori, it's full of sites related to the Satsuma Rebellion.

Tianjin is a metropolis in North China and one of the five national central cities. It is governed as a direct-controlled municipality, one of four such designations, and is thus under direct administration of the central government. The city borders Hebei Province and Beijing Municipality, bounded to the east by the Bohai Gulf portion of the Yellow Sea. As a dual-core city, Tianjin is divided into the old city and the Binhai New Area. As a treaty port since 1860, Tianjin has been a major seaport and gateway to the nation's capital.