Man arrested after woman's body found in boot of car on NSW south coast

A 27-year-old man has been arrested in the Bermagui area on the south coast of New South Wales over the discovery of a woman's body in the boot of a car.

Police have arrested a man accused of fleeing his car with a body in the boot on the NSW south coast.

Authorities are investigating whether the body in the car is missing Canberra woman Daniella D'Addario.

The 35-year-old and her boyfriend Josaia Vosikata, 27, were reported missing in the ACT on Monday.