Hawke's Bay police are using additional government resources to set up a "gang focus unit" to counter the rising visibility of gang crime in the region.

Police Minister Stuart Nash announced the unit in response to an "enough is enough" ultimatum to the Government by the region's four mayors.

Nash said organised crime and gangs would be a priority for the 114 new officers being deployed to the Eastern District in the next four years, a boost of 27 per cent on top of the current 423.

"I have spoken to the Police District Commander Tania Kura who is setting