Chantharakasem National Museum or Chantharakasem Palace or Front Palace

Chantharakasem National Museum or Chantharakasem Palace or Front Palace (พระราชวังจันทรเกษม หรือ วังหน้า): On the bank of Pasak River, this palace was built during the reign of King Maha Thammaraja, the 17th Ayutthaya monarch, for his son’s residence (King Naresuan). Like other ruins, the palace was destroyed by the Burmese and left unrepaired for a long time. King Mongkut of the present Chakri dynasty ordered reconstructoin of this palace for use as a residence during his occasional visits to Ayutthaya.

Thank you information from wikitravel.org