Bunkyō is a special ward in the Tokyo Metropolis in Japan. Situated in the middle of the ward area, Bunkyō is a residential and educational center. Beginning in the Meiji period, literati like Natsume Sōseki, as well as scholars and politicians have lived there. Bunkyō is home to the Tokyo Dome, Judo's Kōdōkan, and the University of Tokyo's Hongo Campus. Bunkyō has a sister-city relationship with Kaiserslautern in the Rhineland-Palatinate of Germany.

Kaiserslautern is a town in southwest Germany, located in the state of Rhineland-Palatinate at the edge of the Palatinate Forest. The historic centre dates to the 9th century. It is 459 kilometres from Paris, 117 km from Frankfurt am Main, 666 kilometers from Berlin, and 159 km from Luxembourg.