Tsukuba

strikeout.nu Tsukuba (つくば市, Tsukuba-shi) is a city located in Ibaraki Prefecture, in the northern Kantō region of Japan. As of September 2015[update], the city had an estimated population of 223,151 and a population density of 787 persons per km². Its total area is 283.72 square kilometres (109.54 square miles). It is known as the location of the Tsukuba Science City (筑波研究学園都市, Tsukuba Kenkyū Gakuen Toshi), a planned science park developed in the 1960s.

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