Coreen is a locality in the Riverina region of New South Wales, Australia. The locality is about 609 kilometres south west of the state capital, S…Coreen is a locality in the Riverina region of New South Wales, Australia. The locality is about 609 kilometres south west of the state capital, Sydney and 328 kilometres north of Melbourne. Coreen is located just past the turn off to Berrigan along the Riverina highway.