
The Ben Buckler Gun Battery is a heritage-listed fortified former gun emplacement and military installation of the late-Victorian period and now public open space located in the North Bondi locality of Ben Buckler, in the Waverley Municipality of Sydney, New South Wales, Australia. The gun battery was designed by NSW Colonial Government and built during 1893. It is also known as Ben Buckler Gun Battery 1893, 9.2 Disappearing Gun and Bondi Battery. The property is owned by Waverley Municipal Council. It was added to the New South Wales State Heritage Register on 15 December 2006.
The Bradleys Head Fortification Complex is a heritage-listed former mast and defensive battery and military fortification and now war memorial and recreational area located at Bradleys Head Road within the Sydney Harbour National Park in Mosman in the Mosman Council local government area of New South Wales, Australia. It was designed by Government engineers and built from 1840 to 1934. It is also known as Bradleys Head Forts and HMAS Sydney 1 Mast and Associated Memorials. The property is owned by the NSW Office of Environment and Heritage, an agency of the Government of New South Wales. It was added to the New South Wales State Heritage Register on 30 August 2010.

Breakwater Battery, was a coastal defence battery at Port Kembla, New South Wales, Australia during World War II.

The Bribie Island Second World War Fortifications are heritage-listed fortifications at Woorim and Bribie Island North on Bribie Island, Queensland, Australia. They were built from 1939 to 1943 and were added to the Queensland Heritage Register on 20 July 1993.

Challenger Battery, also referred to as J Gun Battery, is a heritage-listed battery at Entrance Point, Garden Island, Western Australia. Historically, it has is also been known as Garden Battery, Entrance Battery and, finally, Challenger Battery. It was added to the Australian Commonwealth Heritage List on 22 June 2004. It was part of the Coastal defences of Australia during World War II and the Fremantle Fortress, protecting Fremantle Harbour.

The Dawes Point Battery remains is a heritage-listed former artillery fortification and now visitor attraction located adjacent to the southern pylon of the Sydney Harbour Bridge at Hickson Road in inner city Sydney, on the boundary between Dawes Point and The Rocks in the City of Sydney local government area of New South Wales, Australia. It was built and modified from 1791 to 1925 by Lieutenant William Dawes, Robert Ross, Francis Greenway, and George Barney. The property is owned by Property NSW, an agency of the Government of New South Wales. It was added to the New South Wales State Heritage Register on 10 May 2002.

Drummond Battery, also known as Fort Drummond, is a heritage-listed former coastal artillery fortification and now television station and mushroom farm at 1 Television Avenue, Mt Drummond, Mount Saint Thomas, City of Wollongong, New South Wales, Australia. It was built between 1942 and 1943 by the NSW Public Works Department and NSW Department of Main Roads. The Australian Army used the site from 1942.

Flagstaff Hill Fort is a former military fort at Flagstaff Point, Wollongong, New South Wales, Australia.

Fort Banks is an old World War II bunker and fortification complex that was used to protect the approaches to Botany Bay. The fortification is located north of Cape Banks in La Perouse, New South Wales, Australia.

Fort Cowan Cowan is a heritage-listed World War II fortification at 30 Jessie Wadsworth Street, Moreton Island, City of Brisbane, Queensland, Australia. It is also known as RAN 3 Cowan Cowan, Fort Cowan and Cowan Cowan Battery. It was added to the Queensland Heritage Register on 1 October 2007.

Fort Lytton is a heritage-listed 19th century coastal fort in the suburb of Lytton in Brisbane, Queensland, Australia. The name “Fort Lytton” is also used to describe the 1 square mile (2.6 km2) military base that surrounded the fort. Fort Lytton was built in 1880-1882, and operated until 1965. The historic fort is now contained in Fort Lytton National Park. The park is open to the public on most Sundays and public holidays. Guided tours are provided by Fort Lytton Historical Association, a non-profit volunteer organisation.

Fremantle Fortress was the combined coastal defences protecting the harbour of Fremantle, Western Australia, since the mid-1930s and, predominantly, during World War II. The coastal defences of the Fremantle Fortress stretched along the coastline of Perth from Cape Peron to Swanbourne and also included installations on Garden Island and Rottnest Island. While the first coastal batteries of the future Fremantle Fortress were installed at Arthur Head in 1906, the military installations protecting the harbour were expanded in the 1930s, being eventually dismantled again by 1963.
The Georges Head Battery, also called the Georges Head Military Fortifications, is a heritage-listed former military fortification located on the Georges Head on Chowder Bay Road, Georges Heights, in the suburb of Mosman, in the Mosman Council local government area of New South Wales, Australia.
The Henry Head Battery is an artillery battery located on the northern side of the entrance to Botany Bay at Henry Head, La Perouse, New South Wales, Australia.

Hill 60 is a heritage-listed Aboriginal site at Military Road, Port Kembla, City of Wollongong, New South Wales, Australia. It is also the location of the World War II installation the Illowra Battery. The property is owned by Wollongong City Council. It was added to the New South Wales State Heritage Register on 14 December 2001.

The Hobart coastal defences are a network of now defunct coastal batteries, some of which are inter-linked with tunnels, that were designed and built by British colonial authorities in the nineteenth century to protect the city of Hobart, Tasmania, from attack by enemy warships. During the nineteenth century, the port of Hobart Town was a vital re-supply stop for international shipping and trade, and therefore a major freight hub for the British Empire. As such, it was considered vital that the colony be protected. In all, between 1804 and 1942 there were 12 permanent defensive positions constructed in the Hobart region.

Leighton Battery at Buckland Hill, Mosman Park, Western Australia, was part of the Coastal defences of Australia during World War II and the Fremantle Fortress, protecting Fremantle Harbour.

The Lithgow Heavy Anti Aircraft Gun Stations and Dummy Station is a heritage-listed former gun emplacements, anti aircraft gun batteries and dummy batteries and now disused railway signal box located via Kirkley Street, Bowenfels, City of Lithgow, New South Wales, Australia. It was built from 1941 to 1942 by Water Conservation & Irrigation Commission, Defence. It is also known as Lithgow Anti Aircraft Gun Emplacements and Heavy Anti Aircraft guns 3.7 inch anti aircraft guns. The property is owned by Lithgow City Council. It was added to the New South Wales State Heritage Register on 5 August 2011.
The Lower Georges Heights Commanding Position is located in the urban locality of Georges Heights in the suburb of Mosman, on the shores of Port Jackson, Sydney, New South Wales, Australia. The Lower Georges Heights Commanding Position was constructed and designed to stop enemy ships from entering into Sydney Harbour, and worked in conjunction with several others forts located within close proximity.

The Magnetic Battery, Fort War or The Forts, as it is commonly referred, is a former Royal Australian Navy artillery battery in the hinterland of Horseshoe. Florence and Arthur Bays on Magnetic Island. Built in 1942/1943, the battery operated from July 1943 until the end of World War II. The remains of the facility are now maintained by Queensland Parks and Wildlife Service as part of the Magnetic Island National Park and are open to visitors year round.
Malabar Battery was a coastal defence battery built in 1943 during World War II at Malabar Headland in Sydney, Australia. The battery is also known as Boora Point Battery.

The Middle Head Fortifications is a heritage-listed former defence establishment and military fortifications and now public space located at Middle Head Road, Middle Head, Mosman in the Mosman Council local government area of New South Wales, Australia. It is also known as the Middle Head Military Fortifications or The Old Fort. The fortifications consist of the Outer Middle Head Battery located at the end of Old Fort Road, the Inner Middle Head Battery located at the end of Governors Road, and the Obelisk batteries reached by a path from the corner of Middle Head Road and Chowder Bay Road. The fortifications at Middle Head formed part of Sydney Harbour's defences. The property is owned by the NSW Office of Environment and Heritage. It was added to the New South Wales State Heritage Register on 2 April 1999.

The Peron Battery, at Cape Peron, was the southernmost of the Fremantle Fortress coastal defence batteries in Western Australia. Also referred to as K Heavy Battery, it was established in January 1943 and, like the Challenger Battery on near-by Garden Island, it was equipped with two mobile 155mm guns. Additionally, it also operated two 18-pounder guns which were withdrawn once the Collie Secondary Battery became operational on Garden Island. The duty of the main guns was to cover the southern access to Cockburn Sound while the 18-pounder guns protected the a boom net which spanned between Cape Peron and Garden Island. The main battery was withdrawn again in December 1944 but the observation post and one of the Panama mounts of the Peron Battery are still preserved and accessible.

Shelly Battery was a coastal battery located at Shelly Head, Manly, Sydney, New South Wales, Australia. The battery was constructed in 1942 during the Second World War and consisted of 1 x QF 12 pounder gun and a command post.

The Shepherds Hill military installations is a New South Wales state heritage-listed site, consisting of a former military gun battery emplacement, observation post and gunner's cottage at The Terrace in Newcastle, New South Wales, Australia. It was built from 1890 to 1940. It is also known as Shepherds Hill Defence Group Military Installations, Observation Post and Gun Placement and Shepherds Hill Battery. It was added to the New South Wales State Heritage Register on 2 July 2010.

The Signal Hill Battery was constructed in 1892–3 at Watsons Bay and is adjacent to the Signal Hill Lighthouse on Old South Head Road.

The Six Inch Guns are a heritage-listed former battery at Horsburgh Island, Cocos (Keeling) Islands, Australia. It was added to the Australian Commonwealth Heritage List on 22 June 2004.

Smiths Hill Fort was a fort at North Wollongong, New South Wales, Australia. The fort was also known as Wollongong Fort.

The Steele Point Battery is a small fort, located on the shores of Sydney Harbour in the eastern Sydney suburb of Vaucluse, New South Wales, Australia.

The Tomaree Head Fortifications is a heritage-listed fortification at 2 Shoal Bay Road, Shoal Bay, New South Wales, Australia. It is also known as Tomaree Head Battery, Tomaree Battery and Stephens Battery. It was added to the New South Wales State Heritage Register on 22 October 2010.