Royal Grand Palace has an area of 218,400 sq metres and surrounded by walls built in 1783. The length of the four walls totals 1900 metres. Within these walls are situated government offices and the Chapel Royal of the Emerald Buddha besides the royal residences. When Siam restored law and order after the fall of Ayutthaya the monarch lived in Dhonburi on the other side of the Chao Praya, after erecting public monuments such as fortifications and monasteries, built a palace walls. This palace came to be known as the Grand Palace, in which the earliest edifices contemporary with the foundation of Bangkok were the two groups of residences named Dusit Mahaprasad and Mahamontien.
