Sydney Olympic Park is a large multi-purpose sports and entertainment complex located in Sydney, New South Wales, Australia. It was built to host the 2000 Summer Olympics and Paralympics, which were held in Sydney. The park is situated about 16 kilometers (10 miles) west of the Sydney central business district and covers an area of approximately 640 hectares (1,580 acres).

Key features and facilities of Sydney Olympic Park include:

1. **Olympic Stadium (now known as Stadium Australia):** This stadium was the main venue for the 2000 Olympics, hosting the opening and closing ceremonies as well as various track and field events. It has a seating capacity of around 83,000 and is used for various sporting and entertainment events.

2. **Qudos Bank Arena:** Formerly known Sydney Olympic Park as the Sydney Super Dome, this indoor arena has a seating capacity of around 21,000 and hosts a wide range of events, including concerts, sports competitions, and exhibitions.

3. **Sydney Olympic Park Aquatic Centre:** This facility includes a swimming pool complex that hosted swimming, diving, synchronized swimming, and water polo events during the Olympics. It is still used for swimming and other aquatic activities.

4. **Archery Centre:** Originally built for archery events during the Olympics, this facility is used for archery practice and competitions.

5. **Sydney Showground:** This area includes multiple venues used for agricultural shows, exhibitions, and events. The Sydney Royal Easter Show, a popular annual event, takes place here.

6. **Sports Venues:** There are various sports facilities, including tennis courts, hockey fields, and more, catering to a wide range of sports.

7. **Bicentennial Park:** A large urban park with walking and cycling paths, picnic areas, and wetlands. It provides recreational spaces for visitors.

8. **Transport:** Sydney Olympic Park is well-connected by public transport, including trains, buses, and ferries. It also has ample parking facilities.

9. **Commercial and Residential Areas:** Over the years, Sydney Olympic Park has developed residential and commercial spaces, making it a mixed-use area where people live, work, and enjoy leisure activities.

The development of Sydney Olympic Park was a significant project that revitalized a former industrial site and transformed it into a modern and versatile precinct. It continues to be a hub for sports events, concerts, exhibitions, and other cultural activities, drawing both local residents and tourists. Keep in mind that developments might have occurred since my last update in September 2021.