Thong Chai is a subdistrict in Bang Saphan district, Prachuap Khiri Khan. The area offers a mix of local attractions and everyday conveniences, with two parks, a nearby beach, two convenience stores, and a supermarket. Visitors can explore places such as Phra Mahathat Chedi Pakdee Prakas, Wat Hang Sai, PK Kitchen Cooking Workshop, and Truck with Art, while guesthouses like Baan Kieng Lay Guesthouse and Ban Krut Backpack provide accommodation options.
Last updated: October 2026
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Everything we know about this area, from official Thai government and open sources.
10,134−0.2% since 2021
Gender split
Registered houses
5,214
Population density
127 people / km²
People per house
1.9
Check a specific address on the flood history map
Flash-flood terrain susceptibility
Sinkhole susceptibility (DMR)
Not assessed by DMR — this area has not been surveyed for sinkhole susceptibility.
Height above nearest drainage (10th percentile)
-1.1 m
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Local insights, lifestyle, and what to expect
10,134
Registered population
3
Projects
Thong Chai is a subdistrict in Bang Saphan, Prachuap Khiri Khan. It is a quiet coastal area with a small selection of local amenities, including two nearby convenience stores and a supermarket.
The area is home to the Phra Mahathat Chedi Pakdee Prakas and Wat Hang Sai, two notable places of worship. Visitors can also explore PK Kitchen, Cooking Workshop and the quirky Truck with Art attraction.
Thong Chai has one nearby beach and two nearby parks, offering simple opportunities for relaxation by the sea. Accommodation options in the area include Baan Kieng Lay Guesthouse and Ban Krut Backpack.
The subdistrict has property inventory records available, so buyers and renters can find listings in this peaceful part of Bang Saphan.
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Thong Chai has 1 supermarket and 4 parks nearby, based on OpenStreetMap data.
Thong Chai's flash-flood terrain susceptibility is Moderate.
Thong Chai has a registered population of 10,134 (−0.2% since 2021).
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Distance to nearest stream (10th percentile)
949.1 m
Terrain slope (90th percentile)
5.6%
Amenity data © OpenStreetMap contributors