Tamnak Kao Noi This Songkhla Governor's residence was originally called ''Phra Tamnak Khao Noi''(Khao Noi Place) and is located on the south side of Khao Noi, Sadao Road, Tambon Bo Yang. It was built in 1911 as a residence of General Prince Yakhonthikamphon Krommaluang Lopburiramet when he was a viceroy of the Pak Tai Circle.It also used to be a reception house for His Majesty King Bhumibot Adulyadej The Great (King Rama IX) and Her Majesty Queen Sirikit.

Phra Tamnak Khao Noi  has been conserved and used as the Governor's Residence since 1964 and was registerd as an ancient monument by the Fine Arts Department on 10 March, 1994. The Palace is desighed in European architecture with 3 storeys and decorated with engraved ornaments over the arch of the door. Downstairs is the hall and living room, white the second floor features the third floor is a bedroom with English wooden furniture and porch on the east wing.