Sumida, Tokyo International schools: Sumida maintains sister-city relationships with Seodaemun-gu, Seoul, South Korea, and with Shijingshan District, Beijing, China. 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
Japanese gunboat Sumida (1903) one smokestack to "Fushimi's" twin stack. "Sumida" was launched in June 1903, but was brought to Shanghai for final fitting out, but work was halted by official British neutrality in the Russo-Japanese War, the unfinished ship was impounded in until the end of that conflict. She was finally commissioned into the Japanese navy as a second-class gunboat on June 17, 1906. "Sumida" remained based at the International Settlement in Shanghai. During World War I, due to the official neutrality of the Republic of China, "Sumida"'s weaponry was placed under lock in 1914, and was not freed until China officially joined