There are concerns for the safety of a 12-year-old boy missing in Hamilton.

Chazz Napera disappeared just before 3pm.

He was last seen on his bike leaving his caregivers' address in Greta Street, Glenview.

Senior Sergeant Mike Underwood says he doesn't have any friends or family in Waikato and will have no idea where he is.

Chazz is described as Maori, 162 cm tall of solid build.

He was last seen wearing dark jeans, jacket and shoes and a white T-shirt with pictures and was riding a red 10 speed bike.

Anyone who sees him is asked to contact police.

- Newstalk ZB