Officers are appealing for the owners of a dog found alone in Sholing to get in touch.
Police on patrol spoke to a member of the public who found the female dog on Parry Road on Thursday morning.
With no sign of an owner, officers took her to a nearby vets where no registered details were found on her microchip.
Police then contacted the dog warden who is set to transport the animal to kennels in Portsmouth if no owner comes forward.
In a statement on their Facebook page, a police spokesperson said: “Whilst out on patrol this morning (Thursday, September 28), a member of the public came to speak to us.
“They informed us that they located this girl outside their property on Parry Road, Sholing, Southampton.
“We have taken her to the vets and whilst she has been microchipped it has not been registered and we have been unable to locate her owner.
“We have contacted the Southampton city dog warden who will be collecting her and taking her to their kennels in Portsmouth.
“If this is your dog please contact the Southampton city dog warden.”