Two young Victorian girls missing with mum

Two young Victorian girls are believed to have been taken by their mother and could be on their way to NSW, police say.

Emily Roper, seven, and four-year-old Tahlee Roper were last seen with their mother Kylie Sutton on May 21 in Victoria at their Doreen address, and police believe the children are still with her.

Ms Sutton is known to visit Doreen, Barooga and Yarrawonga but may be headed to NSW in a Volkswagen Polo hatchback with registration TXA 201.