The University of Tsukuba (筑波大学 Tsukuba daigaku), one of the oldest national universities (established by Japanese Government) and one of the most comprehensive research universities in Japan, is in the city of Tsukuba (known as Tsukuba Science City), Ibaraki Prefecture in the Kantō region of Japan. The university has 28 college clusters and schools with around 16,500 students (as of 2014). The main Tsukuba campus covers an area of 258 hectares (636 acres), making it the second largest single campus in Japan.[2] The branch campus is in Bunkyo-ku, Tokyo, which offers graduate programs for working adults in the capital and manages K-12 schools in Tokyo that are attached to the university.