The village lies on the A193 road 4 miles (6 km) south of Blyth and 4 miles (6 km) north of Tynemouth.

It was a farming and later colliery village but today is part of Seaton Sluice.

The place-name 'Hartley' is first attested in the Pipe Rolls for 1167, where it appears as Hertelawa.

[5] Media related to Hartley, Northumberland at Wikimedia Commons AnticlockwiseSeaton Sluice Hartley ClockwiseWhitley Bay, Tyne and Wear

This Northumberland location article is a stub.