UPDATED 4.34PM Two girls who have been missing from Hamilton since Sunday have been found safe and well.

Kazalia Gerrard, 13 and Mykaila Andrews, 12, from Te Pahu near Pirongia, left Kazalia's home at about 5pm on Sunday.

They were spotted in the Hamilton CBD on Monday, but their families had not seen or heard from them until they were found in the city this afternoon.

Hamilton Police Senior Sergeant Greg Foster said earlier today he was concerned about the girls because of their young age and the "company they may be keeping".

The pair were reunited with their families and police thanked the public for their "overwhelming response and assistance in this matter".

Senior Sergeant Foster did not say where the girls were found or where they had been in the past three days.