Maisons-Laffitte is a commune in the Yvelines department in the northern Île-de-France region of France. It is a part of the affluent outer suburbs of northwestern Paris, 18.2 km from its centre. In 2018, it had a population of 23,611.
Maisons-Laffitte is famous for the Château de Maisons-Laffitte, built by architect François Mansart in the 17th century. Maisons-Laffitte is also known for its horse racing track, the Maisons-Laffitte Racecourse, which is why the town is known as the "cité du cheval" and compared with Newmarket in the United Kingdom.
Wikipedia https://en.wikipedia.org/wiki/Maisons-Laffitte
Coordinates 48°56'46.117" N 2°8'42.342" E