Williamtown, New South Wales
| Williamtown Newcastle, New South Wales  | |||||||||||||||
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Fighter World Museum at RAAF Base Williamtown  | |||||||||||||||
| Coordinates | 32°48′54″S 151°50′34″E / 32.81500°S 151.84278°E | ||||||||||||||
| Population | 762 (2021 census) | ||||||||||||||
| • Density | 16.97/km2 (44.0/sq mi) | ||||||||||||||
| Postcode(s) | 2318 (Williamtown), 2314 (Williamtown RAAF)  | ||||||||||||||
| Elevation | 5 m (16 ft) | ||||||||||||||
| Area | 44.9 km2 (17.3 sq mi) | ||||||||||||||
| Time zone | AEST (UTC+10) | ||||||||||||||
| • Summer (DST) | AEDT (UTC+11) | ||||||||||||||
| Location | 
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| LGA(s) | Port Stephens Council | ||||||||||||||
| Region | Hunter | ||||||||||||||
| County | Gloucester | ||||||||||||||
| Parish | Stowell | ||||||||||||||
| State electorate(s) | Port Stephens | ||||||||||||||
| Federal division(s) | Paterson | ||||||||||||||
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Williamtown is a rural suburb of the Port Stephens local government area in the Hunter Region of New South Wales, Australia. It is located on the main road between Newcastle and Nelson Bay.