The Shire of Diamantina is a local government area in Central West Queensland, bordering South Australia and the Northern Territory. Its administrative centre is in the town of Bedourie. Like most places in Queensland with the "Diamantina" name, it was named after Lady Diamantina Bowen, the wife of the first governor of Queensland, Sir …The Shire of Diamantina is a local government area in Central West Queensland, bordering South Australia and the Northern Territory. Its administrative centre is in the town of Bedourie. Like most places in Queensland with the "Diamantina" name, it was named after Lady Diamantina Bowen, the wife of the first governor of Queensland, Sir George Bowen.