Istanbul Park, also known as the Istanbul Racing Circuit or initially as the Istanbul Otodrom, is a motor sports race track in the Tuzla district of Istanbul, Turkey. Designed by Hermann Tilke, it opened on 19–21 August 2005. It has been called "the best race track in the world" by former Formula One Chief Executive Bernie Ecclestone, who held the managing rights of the circuit between 2007 and 2011. The circuit was then managed by the Turkish company Intercity since October 2012 to March 2024. The operating rights were given to Can Bilim Eğitim Kurumları A.Ş. in April 2024 for 30 years.

Tuzla is a municipality and district of Istanbul Province, Turkey. It has a population of 288,878 (2022) and a land area of 138 km2. It is on the Asian side of the city next to the municipality of Pendik. Tuzla is on a headland on the coast of Marmara Sea, at the eastern limit of the city. The mayor is Eren Ali Bingöl (CHP).