Si Sa Ket was originally called Muang Khu Khan. Archaeologists believe the city dates back to the time of the Khmer empire because of the presence of many Khmer ruins. Legend gas it that Muang Khu Khan used to called Si Nakhon Lamduan and was suited at what is now Ban Prasat Si Liam Dong Lumduan, Tambon Tuan Yai,  King Amphoe Wang Hin in the province. The town was upgraded to a city in 1759 when Ayutthaya was Thailand's capital. The first governor was  Lung Kaeo Suwan who was promoted to Phra Krai Phakdi. During the reign of His Majesty King Rama V, Muang Khu Khan was relocated to Muang Si Sa Ket (Ban Muang Kao, Tambon Muang Nua, Amphoe Muang in the present day) but the city still retained the name of Khu Khan until 1938 when it was renamed Si Sa Ket Province.

By Car
From Bangkok, take Highway No. 1 (Phahonyothin Road) and turn onto Highway No. 2 (Mittraphap Road) at Saraburi Province. Then take the Chok Chai-Det Udom road (Highway No. 24) pass Biri Rum and Surin and turn left onto Highway No. 220 to Amphoe Muang Si Sa Ket. The total distance is approximately 571 kms.

By Bus
From Bangkok, bus of the Transport Co. leave the Northern Bus Terminal ( Mo Chit 2) daily. The traveling time is about 8 hours. For details, please contact Tel. 2710101-5 (regular bus) and Tel. 2794484-7 (air-conditioned bus) or joint private-public  buses run by Siri Rattanaphon Co. (Tel. 2791976) and Kitchakan Ratchasima Co., (Tel.2712390)

By Train
From Bangkok Railway Station (Hua Lamphong) there are regular, rapid and express trains on the Bangkok-Si Sa Ket route, covering a distance of 551 kms. Please contact the Travel Service Section, State Railway of Thailand at Tel. 2237010 and 2237020.

The Lamduan Ban Fair  
Usually over the first weekend of each March, is held at the Somdej Sri Nakharin Park. It coincides with the full blooming of the Lamduan flowers. Activities include demonstration of the arts and cultures of the four minority groups (Khmer, Suay, Lao and Yer), stalls offering local handicraft, a combination of live drama-light and sound presentation portraying the founding of the city.

The Si Saket Rambutan-Durian Fair
Organized annually in June at the ground in front of the district offices of Kantralak of khun Han (alternating yearly between the two districts). There are numerous very interesting activities such as the selling of fruits and crops of the province. Fruit Float parade, technical exhibition and organizing of caravan to visit various fruit orchards.

Half and Quarter Marathons to Pha Moh E-Daeng
Held on Sunday of the 3rd week in August. The route leads uphill to Khao Phra Viharn and lies between Ban Phumsaral Pha Moh E-Daeng of Kantralak district. As it is held in the rainy season and runners must go through mist and fog, it is indeed a highly challenging event and attracts a large number of participants.