Si Somdet (, ; , ) is a district (amphoe) in Roi Et province, Thailand.
Geography Neighboring districts are (from the north clockwise): Mueang Roi Et and Chaturaphak Phiman of Roi Et Province; Wapi Pathum, Kae Dam, and Mueang Maha Sarakham of Maha Sarakham province.
History The district was created on 1 April 1987, when the five tambons, Pho Thong, Si Somdet, Mueang Plueai, Nong Yai, and Suan Chik were split off from Mueang Roi Et district. It was upgraded to a full district on 4 July 1994.
Administration The district is divided into eight sub-districts (tambons), which are further subdivided into 82 villages (mubans). There are no municipal (thesaban) areas; there are eight tambon administrative organizations (TAO). No. Name Thai name Villages Pop.1.Pho Thongโพธิ์ทอง72,8772.Si Somdetศรีสมเด็จ136,0793.Mueang Plueaiเมืองเปลือย83,0754.Nong Yaiหนองใหญ่103,8835.Suan Chikสวนจิก145,4476.Phosaiโพธิ์สัย108,0437.Nong Waeng Khuangหนองแวงควง124,9268.Ban Bakบ้านบาก82,831
References
External links amphoe.com (in Thai)