Seymour is a rural locality in the local government area (LGA) of Break O'Day in the North-east LGA region of Tasmania. The locality is about south of the town of St Helens. The 2016 census recorded a population of 25 for the state suburb of Seymour.
History Seymour was gazetted as a locality in 1965. The name was in use by 1845.
It was originally a coal mining town.
Geography The waters of the Tasman Sea form the eastern boundary.
Road infrastructure Route A3 (Tasman Highway) passes through from south to north.
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