You can register for a free tour of the Chancellery or visit on the Open Day which takes place once a year.
Wikipedia https://ko.wikipedia.org/wiki/연방_총리실_(베를린)
Official Website http://www.bundesregierung.de/Webs/Breg/DE/Bundesregierung/Bundeskanzleramt/bundeskanzleramt.html
좌표 52°31'12.315" N 13°22'7.53" E
