Phitsanulok Mansion
Si Yaek Mahanak, Thailand · built 1922
Phitsanulok Mansion or formerly known Banthomsinth House (House of the Sleeping Narayana) is the official residence of the Prime Minister of Thailand, located not far to the east from the government house in Dusit, Bangkok. The mansion was originally built at the behest of King Rama VI and was given to his aide-de-camp, Phraya Aniruth-deva.
Country house data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).