Laguna, New South WalesLaguna is a locality in the city of Cessnock, in the Hunter Region of New South Wales, Australia. It is located about southwest of Cessnock in the Wollombi Valley.HistoryA large land grant of was allocated to Heneage Finch, which he named "Laguna". Laguna House is located to the south of Laguna on the Great North Road.