Police have launched a homicide investigation following the death of a man in Tauranga.

Officers were called to an address on Aaron Place, Brookfield, at about 10.50pm on Thursday.

Detective Senior Sergeant Michael Varnam says a man had already passed away before officers arrived.

"A 21-year-old woman has been charged with murder and is due to appear in Tauranga District Court today.

"Police are not seeking anyone else in relation to this matter.

"A scene guard remains in place at the address.

"Police are unable to comment further as this matter is now before the court."