Nildottie is a place in South Australia. It is on the east side of the Murray River, about 99km (62mi) east of Adelaide, the state capital. It is also about 40km (25mi) northeast of Mannum, where the local council is based.
The borders of Nildottie were made on March 27, 2003. The name has been used for a long time. The area includes places called "Kroehns Landing Shack Site" and "Scrubby Flat Shack Site". On December 22, 2011, Nildottie got bigger when land from a nearby place called "Greenways Landing", was added. The name "Greenways Landing", a fishing spot on the river, was was no longer used after people living there and the local government asked for it to be removed.