Bakdai (, ) is a tambon (subdistrict) of Phanom Dong Rak District, in Surin province, Thailand. In 2026, it had a population of 4,660 people.
History The word “Bak Dai” (บักได) in Khmer, “Bak” (บัก) means broken, and “Dai” (ได) means arm. So the word Bakdai means armbreak
The locals said that there was a Thai merchant traveling from Siam down to Cambodia, passing through the forest. They came upon the shrine of a guardian spirit, so they entered to pray for blessings They promised that if they secured profits and returned safely as hoped, they would surely offer a buffalo in return.
After their trading businessman, they came back to Siam with a huge profit, likely due to the noble blessings of the ancestral spirit, Phu Ta. Upon reaching the Phanom Dong Rak Mountains, they stopped to rest at the border. They presented a young buffalo, tying it tightly to the arm of the spirit's statue. However, the young buffalo flinched very hard, causing the statue's arm to break.
Central administration The tambon is divided into twenty administrative villages (mubans). No. Name Thai Population Phu Yai Ban1.Runรุน587Prachid Mutumachan2.Tha Sawangท่าสว่าง286Salee Jindasri3.Don Nam Tanดอนน้ำตาล5Bunkoetchok Lapkhrongtham4.Bu Ampawบุอำเปาว์1Mueay Yingjenjob5.Hua Angหัวอ่าง0Suthep Putthayanto6.Ampilอำปึล369Pranom Daisai7.Pho Thongโพธิ์ทอง195Thanakon Kongthawee8.Khok Sungโคกสูง1,046Suphap Srisopha9.Nong Raedหนองแรด151Ratree Prakaiphet10.Noen Yang Kudโนนยางกุด69Samai Sunthon11.U-lokอุโลก78Phadungkiat Sujimawit12.Sa-korสกอร์68Suchat Samranjai13.Na Phunนาพูน24Weerawat Saepphobdee (Kamnan)14.Nong Ta Loebหนองตาเลิบ0Bunhome Chaisongkhram15.Nong Waengหนองแวง67Nukan Phuthong16.Thai Santisukไทยสันติสุข626Wimol Khaengphenkhae17.Thai Niyom Phattanaไทยนิยมพัฒนา58Janphen Samai18.Phanom Dong Rakพนมดงรัก243Sirimongkhon Wongplaek19.Khao Toเขาโต๊ะ55Baiphoen Judngam20.Bak Daiบักได730Sanob Somset
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