The Indian Ocean and Pacific Ocean are generally accepted as the two oceans that border Australia.
However, as far as the Australian authorities are concerned, the Southern Ocean, which surrounds Antarctica, reaches to Australia's southern shores. There remains some dispute as to whether the Southern Ocean does touch Australia's shores, and the boundaries have not yet been officially agreed upon.
Related Q&A：
What two oceans do not border Australia？-Well, let me think. You know, Australia is surrounded by the Indian Ocean and the Pacific Ocean. So, the two oceans that do not border Australia are the Atlantic Ocean and the Arctic Ocean. Oh my goodness, it's kind of an interesting geographical fact. Isn't it? I mean, when you think about it, it's quite fascinating how the continents and oceans are arranged.
