Huai Phueng is a district in the eastern part of Kalasin province, northeastern Thailand. Neighboring districts are: Na Khu, Kuchinarai…Huai Phueng is a district in the eastern part of Kalasin province, northeastern Thailand. Neighboring districts are: Na Khu, Kuchinarai, Na Mon, and Somdet of Kalasin Province, and Phu Phan of Sakon Nakhon province.