There is one town or suburb in Joanna with an elevation of 51-200 metres above sea level
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Joanna is a locality in the Australian state of South Australia located in the state's south-east within the state’s Limestone Coast region about 325 kilometres (202 miles) south east of the state capital of Adelaide, about 19.5 kilometres (12.1 miles) south-east of the municipal seat of Naracoorte.