Don Sak (Thai: ดอนสัก) is a district (amphoe) in eastern Surat Thani Province. The two principal ferry companies offering service to Samui Island leave from piers in the district. Neighboring districts are (from the east clockwise) Khanom and Sichon (both in Nakhon Si Thammarat Province) and the district of Kanchanadit. To the north is the Gulf of Thailand, with islands encompassed by the Ko Samui District. Wikipedia
If you are looking for travel information of Don Sak in Thailand, you've come to the right place. A gripping city on its own right, Krabi also deserves a visit. Take a short trip from Don Sak and set some time aside to explore the Krabi. Dotted with places like Krabi Town, Railay Beach, Phi Phi Islands; it will definitely be a good idea. A holiday in Don Sak can generally be of 1-2 days.
Yes,it is that simple really! Enjoy your trip! Keep travelling!