A WOMAN has died of stab wounds at a house in northwest Victoria. 

Police say it's believed the 58-year-old was involved in a dispute with a 55-year-old man at a house in Mildura just before 8.30 last night and received stab wounds to her upper body.

Paramedics attended and attempted to revive the woman but she died at the scene.

A Mildura man has been arrested as homicide squad detectives continue their investigations.