Tragic discovery of body found in Denham Court bushland in south-western Sydney believed to be that of missing woman Tanatorn Tiyata

A woman's body has been found in bushland in south-western Sydney during a police search on Monday afternoon.

The body is believed to be that of Tanatorn Tiyata, 66, who was reported missing to Campbelltown police last month.

Police searched bushland in the suburb of Denham Court, north of Campbelltown, at about 1pm on Monday when they discovered the body.

Ms Tiyata was last seen in Denham Court on July 26 before being reported missing.

Her family had concerns about her welfare due to her having several medical conditions.

The identity of the woman has not been confirmed and a report will be prepared for the coroner.

A woman's body, believed to be Tanatorn Tiyata (pictured), has been found in bushland in south-western Sydney

A woman's body, believed to be Tanatorn Tiyata (pictured), has been found in bushland in south-western Sydney

Ms Tiyata was last seen in Denham Court (map pictured) on July 26 before being reported missing

Ms Tiyata was last seen in Denham Court (map pictured) on July 26 before being reported missing