The County of Rosebery was gazetted on 15 July 1885 and covered the area north of Pine Creek.

The County of Rosebery fell into disuse on 7 January 1977.

[4] Like the other Counties of the Northern Territory, Roseberry is named for a British Prime Minister.

In this case Roseberry County is named after the Fifth Earl of Rosebery, Archibald Philip Primrose, who was visiting the colony of South Australia at the time of the creation of the county and who a decade later he became the Prime Minister of the United Kingdom.

This Northern Territory geography article is a stub.