A woman has been charged with murder after an alleged fatal stabbing in Melbourne's north-east this morning.

A 55-year-old man was found dead at a Heidelberg West property, when emergency services attended the address in Koitaki Court about 12.05am.

A woman has been charged with murder after an alleged fatal stabbing in Melbourne's north-east this morning. (9News)

Homicide Squad detectives arrested a 41-year-old Heidelberg West woman at the scene and later charged her with one count of murder.

Victoria Police spokesman Sam Bidey said the pair were "known" to each other.