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
Japanese gunboat Sumida (1939) commissioned into the Republic of China Navy as the "Chiang Hsi" (). She was removed from the Japanese navy list on 3 May 1947. Captured during the Chinese Civil War by the People’s Republic of China, she was commissioned into the People's Liberation Army Navy on 30 November 1949 as the gunboat "Fu Jiang" (). She was finally scrapped in the 1960s. Japanese gunboat Sumida (1939) "Sumida" was the second of two vessels in the river gunboats authorized under the 3rd Naval Armaments Supplement Programme of 1937. "Sumida" had a hull with an overall length of and width of ,