Hynam is a town and locality in the Australian state of South Australia located in the state's south-east within the Limestone Coast region o…Hynam is a town and locality in the Australian state of South Australia located in the state's south-east within the Limestone Coast region on the border with the state of Victoria about 302 kilometres south east of the state capital of Adelaide and about 11 kilometres east of the municipal seat of Naracoorte.