Police are appealing to the public to help locate a missing woman.

Colleen was believed to be driving from Dunedin to Queenstown on Monday 20 November and was last known to be in the Cromwell area around 12.30pm.

She was driving a Red/Bronze 2008 Toyota Blade Rego HTP389.

Colleen is unfamiliar with the area and Police and her family are concerned for her safety.

Posts appealing for information or sightings have been shared extensively on community social media pages across the Southern region.

If you can assist Police in locating her, call 111 and quote file number P056794726.