Originally, it was the palace which King Rama I
commanded to construct for his three sons.
The present three-storeyed building of Western
architectural style was constructed in 1882. The upper gable is decorated with cement molding and gilded with a Ratchawallop signet. The front yard is filled with ancient artilleries lying in rows.
Khlong Khu Mueang Doem is the official name of the inner city moat which was dug in the Thon Buri Period (a short period from 1767 дейін 1782 having King Taksin the Great as the only ruler). The inner city moats are found in the area of both the eastern and western sides of the Chao Phraya River. The city moat on the eastern side is about 2 km long connecting the river’s curve.
According to the ancient Thai traditions for building a city, the pillar of the city must be buried in the most important area for keeping the spirits of the city. The original pillar was made from Chaiyaphruek wood covered with sandal wood and contains the horoscope circle of the city inside.