 In 1979 the office district was moved to the Pho Phraya-Tha Rua Road in Tambon San Chao Rong Thong.Neighboring districts are (from the north clockwise) Samko, Pho Thong, Mueang Ang Thong, and Pa Mok of Ang Thong Province; Phak Hai of Ayutthaya Province and Mueang Suphanburi; and Si Prachan of Suphanburi Province.The district is divided into 15 sub-districts ("tambons").