Grand Palace in Bangkok sits on the banks of the Chao Praya river and dominates the history of the King's of Thailand since the 18th century. For a traveller or sightseer in Bangkok the Grand Palace is one of the top 10 sites you should see in Bangkok.
The Grand Palace was started in 1782 while King Rama 1 was on the throne and marked the move from Thonburi to the east side of the Chao Praya river. King Rama 1 built the palace not only to hold his living quarters but also house the officials who actually did the detail of running Thailand. This is why the palace is on such a large scale and covers about 220,000 meters square.
The Grand Palace houses the Temple of the Emerald Buddha or Wat Phra Si Rattana Satsadaram which is seen as the most sacred temple in all of Thailand as it houses the statue of the Emerald Buddha. The statue traces its origins to India 43BC (Patna) and has had a long and winding history where it has moved from Sri Lanka, Burma, Chiang Mai, Vientiane Laos, and Ayutthaya.
The present King of Thailand, King Bhumibol Adulyadej lives at the Chitralada Palace.