Ottawa police are asking for the public's help to find a 21-year-old woman who was last seen on July 27.

Police say Sarah Chapman is known to hang out in Ottawa's west end.

She is described as a white female who is about five feet three inches tall and weighs about 110 pounds. She has dark brown hair -- slightly shorter than shoulder length -- and blue eyes, as well as an eyebrow piercing and several tattoos.

Police say she was last seen wearing light blue jeans, a white tank top and a camouflage hoodie. She was also carrying a pink and black tote bag.

Anyone with information about Chapman's whereabouts is asked to contact Ottawa police at 613-236-1222, ext. 3726, or Crime Stoppers at 613-233-8477 (TIPS).