If you mean a minister of religion, he lives in a manse.
Haiti
In his coffin
Sōri Kōtei is the official residence of the Prime Minister of Japan. It is in Tokyo.
wellington
Now in Bucharest.
He has to live somewhere and that's where he lives.
The official residence of the Australian Prime Minister is The Lodge, in Canberra, the capital of Australia.
This depends on the country/organization, and whether the 2009 Prime Minister is still alive.
His house. Typically a mobile home.
Yes
London