It is located about 15 kilometres (9.3 mi) south of the town of Wynyard.

[2] The 2016 census determined a population of 126 for the state suburb of Oldina.

[1] The early postal name for the locality was Upper Moores Plains.

Changed to Oldina (an Aboriginal word meaning "snow") about 1911.

The C239 route (Deep Creek Road) forms part of the eastern boundary and the C235 route (Lorries Road) intersects with the C237 in the locality.