4th Battalion, Royal Australian Regiment

Holsworthy railway station is located on the East Hills line, serving the Sydney suburb of Holsworthy. It is served by Sydney Trains T8 Airport & South line services.

Holsworthy is a suburb in south-western Sydney, in the state of New South Wales, Australia 31 kilometres south-west of the Sydney central business district, in the local government area of the City of Liverpool. Holsworthy is most notable for a large Australian Army reserve, Holsworthy Barracks, where training exercises are frequently carried out. The reserve is adjacent to Heathcote Road, which connects to Bankstown, Liverpool, Lucas Heights, Engadine and Heathcote. Signs on the perimeter warn potential trespassers of the use of laser-guided and conventional gunfire. The residential area is located north of the railway station. Anzac Village is a locality in the northern part of the suburb and the adjacent suburb of Wattle Grove. A new development called 'Mornington' has recently been built in this region. A shopping centre has also been built in this area.

Holsworthy is an electoral district of the Legislative Assembly and is represented by Tina Ayyad of the Liberal Party since the 2023 New South Wales state election.Holsworthy includes the suburbs of Bangor, Barden Ridge, Casula, Chipping Norton, Cross Roads, Hammondville, Holsworthy, Liverpool, Liverpool Military Area, Lucas Heights, Lurnea, Moorebank, Pleasure Point, Prestons, Sandy Point, Voyager Point and Wattle Grove.Holsworthy was created in the 2013 redistribution, largely replacing Menai.

Wattle Grove is a suburb of Sydney, in the state of New South Wales, Australia. Wattle Grove is located 30 kilometres south-west of the Sydney central business district in the local government area of the City of Liverpool. Wattle Grove is a residential suburb with a small shopping centre and a number of recreational areas such as Wattle Grove Park, Australis Park, Wattle Grove Lake and the surrounding Lakeside Park.

Hammondville is a suburb, in south-western Sydney, in the state of New South Wales, Australia. Hammondville is located 31 kilometres south-west of the Sydney central business district in the local government area of the City of Liverpool.

East Hills Hostel was a migrant hostel, outside of Liverpool, Australia, on the outskirts of Hammondville. It was operated by Commonwealth Hostels Ltd. It was built to house migrant intakes from countries all over the world, but in its early inception was predominantly filled with British migrants. The hostel was situated along Heathcote Road, approximately 2 km from East Hills, separated by the Georges River.

Holsworthy military base (ICAO: YSHW) is an Australian Army military barracks, located in the Heathcote National Park in Holsworthy approximately 25 km (16 mi) from the central business district, in south-western Sydney, New South Wales, Australia. The barracks is part of the Holsworthy military reserve, which is 22,000 ha (54,000-acre) training area and artillery range for the Australian Army, established in the 1880s and been in active use since World War I. Following World War II, it became a major base for the permanent component of the Australian Army in New South Wales. Holsworthy Military Airport is also located in the reserve. Activities carried out on the base include the use of firing ranges, chemical weapons testing, fire training, vehicle maintenance, and bulk chemical storage and distribution from numerous above ground and underground storage tanks.Following the movement of many units of the Regular Army to Darwin, Northern Territory, in the late 1990s, many Army Reserve units were moved from other depots to Holsworthy Barracks, including the Headquarters of the 5th Brigade.The base is currently home to 142 Signal Squadron, 2nd Commando Regiment (2 Cdo Regt), Special Operations Engineer Regiment and 6th Aviation Regiment. A number of training units and the Defence Force Correctional Establishment are also located at Holsworthy. The base is also home to the regional headquarters of both NSW Australian Army Cadets Brigade and NSW 2nd Australian Army Cadets Brigade.

Pleasure Point is a small suburb, in south-western Sydney, in the state of New South Wales, Australia. Pleasure Point is 27 km south west of the Sydney central business district, in the local government area of the City of Liverpool. Its postcode is 2172.

The Defence Force Correctional Establishment (DFCE) forms the highest tier in the detention system of the Australian Defence Force (ADF). The tri-service facility is used by all the branches of the military. It was established in 1989 and, since 1992, has been located within Holsworthy Barracks in Sydney, New South Wales, Australia.

Voyager Point is a small suburb, in South Western Sydney in the state of New South Wales, Australia. Voyager Point is located 25 kilometres (35 min) south of the Sydney central business district, in the local government area of the City of Liverpool. The only adjacent suburbs are Sandy Point, Holsworthy and Pleasure Point. Milperra, Panania and East Hills are located on the opposite bank of the Georges River. In the 2016 census, Voyager Point recorded a population of 1668 people.

ANZAC Rifle Range is a closed railway platform on the Holsworthy railway line in New South Wales, Australia. The platform opened in 1920 and closed on 8 April 1974. The platform served the former ANZAC Rifle Range at Holsworthy Barracks.

The Division of Hughes is an Australian electoral division in the state of New South Wales.