Sumida, Tokyo Sumida, Tokyo , literally "Ink Field", is a special ward located in Tokyo Metropolis, Japan. The English translation of its Japanese self-designation is Sumida City. As of May 1, 2015, the ward has an estimated population of 257,300, and a population density of 18,690 persons per km². The total area is 13.77 km². Sumida is in the northeastern part of the mainland portion of Tokyo. The Sumida and Arakawa are the major rivers, and form parts of its boundaries. Its neighbors are all special wards: Adachi to the north; Arakawa to the northwest; Katsushika to the east; Edogawa to the
Aomori (city) Aomori (city) Aomori is located in central Aomori Prefecture, on a plain between the southern end of Aomori Bay, which it faces to the north and the Hakkōda Mountains to the south. Among other smaller rivers, the city has two large rivers flowing through it, the Komagome River and its tributary, the Arakawa River. Like most of Tōhoku, Aomori has a humid temperate climate with hot summers, and cold, though not extreme, winters. The city has a humid continental climate (Köppen "Dfa") using 0 degree isotherm, with monthly averages ranging from in January to in August. Aomori and its surrounding