sentences:  The minor district ("king amphoe") was created on 1 April 1990 by splitting off the three "tambons" Dan Makham Tia, Klondo, and Chorakhe Phueak from Mueang Kanchanaburi District.It was upgraded to a full district on 8 September 1995.Neighboring districts are (from the north clockwise) Mueang Kanchanaburi, Tha Muang of Kanchanaburi Province, Chom Bueng and Suan Phueng of Ratchaburi Province.