The Riverina Bioregion is in southwest NSW, extending into central-north Victoria. It extends from Ivanhoe in the Murray Darling Depression Bioregion south to Bendigo, and from Narrandera in the east to Balranald in the west.
Find more information about the Riverina Bioregion here: https://www.environment.nsw.gov.au/topics/animals-and-plants/biodiversity/bioregions/bioregions-of-nsw/riverina