Bank of Japan

Bank of Japan issues banknotes as the only one issuer of Japan.
The office is once located in Eitaibashi and moved to the site of a former gold mint (the Kinza).
The Bank of Japan Head office is known for being the first national institution to be designed by Kingo Tatsuno, and completed in 1896.
With a reservation, you can take a guided tour of the Main Building.
Also, in front of head office, there is "Currency Museum" that you can study about Japanese Monetary and Economics through old coins and related materials.