こうきょ皇居koukyoこうぎょ皇居kougyo
1.
The primary residence of the Emperor of Japan, where he resides and conducts various official activities.
2.
A historical palace that has evolved from the former Edo Castle, serving as the central symbol of the Japanese monarchy and government.
3.
A designated area in Tokyo that encompasses significant buildings and gardens, representing the cultural and political heritage of Japan's imperial family.
Example:
王家の家族は皇居に住んでいる。