Wat Phra Keo Gallery is a museum in Bangkok, Thailand.Bangkok is home to the National Gallery of Thailand as well as many museums, and art galleries.The National Gallery of Thailand is an art gallery located in Bangkok, Thailand.The Treasury Department and Ministry of Finance presented the old Royal Mint building to the Fine Arts Department to be converted into the National Gallery on April 19, 1974. The grand opening took place on August 8, 1977, to celebrate Queen Sirikit's birthday which took place on 12 August.