Castlereagh is a suburb located in the western part of Sydney, Australia. It is known for its residential areas, parks, and proximity to the Nepean River. The suburb offers a mix of housing options, including single-family homes and townhouses, making it appealing to families and individuals alike. The area is well-served by local amenities, including schools, shopping centers, and recreational facilities. Castlereagh is also close to major transport routes, providing easy access to the broader Sydney metropolitan area. Its combination of natural beauty and community resources makes it a desirable place to live.