Mansion House, London Mansion House, London Mansion House is the official residence of the Lord Mayor of London. It is a Grade I listed building. It is used for some of the City of London's official functions, including two annual white tie dinners. At the Easter banquet, the main speaker is the Foreign Secretary, who then receives a reply from the Dean of the Diplomatic Corps, i.e. the longest-serving ambassador. In early June, it is the turn of the Chancellor of the Exchequer to give his "Mansion House Speech" about the state of the British economy. Mansion House was built between 1739 and
Prime Minister's Official Residence (Japan) the former official residence: Prime Minister's Official Residence (Japan) The Prime Minister's Official Residence is the principal workplace and residence of the Prime Minister of Japan. It is commonly referred to as , or simply . Located at 2-3-1 Nagata-chō, Chiyoda-ku, Tokyo 100-8968, it is diagonally adjacent to the National Diet Building. The new residence went into service in April 2002 and replaced the former residence, built in 1929. The former residence is now known as the , the official Prime Minister's Residential Quarters. The term "Kantei" is used as a metonym for the office of the Prime Minister of