The Champ de Mars (French pronunciation: [ʃɑ̃ də maʁs]; English: Field of Mars) is a large public greenspace in Paris, France, located in the seventh arrondissement, between the Eiffel Tower to the northwest and the École Militaire to the southeast. The park is named after the Campus Martius ("Mars Field") in Rome, a tribute to the Roman god of war. The name also alludes to the fact that the lawns here were formerly used as drilling and marching grounds by the French military.
The nearest Métro stations are La Motte-Picquet–Grenelle and École Militaire. Champ de Mars-Tour Eiffel, an RER suburban-commuter-railway station, is also Originally, the Champ de Mars was part of a large flat open area called Grenelle, which was reserved for market gardening. Citizens would claim small plots and exploit them by growing fruits, vegetables, and flowers for the local market. However, the plain of Grenelle was not an especially fertile place for farming.
In land use planning, urban open space is open space areas for "parks", "green spaces", and other open areas. The landscape of urban open spaces can range from playing fields to highly maintained environments to relatively natural landscapes. They are commonly open to public access, however, urban open spaces may be privately owned. Areas outside of city boundaries, such as state and national parks as well as open space in the countryside, are not considered urban open space. Streets, piazzas, plazas and urban squares are not always defined as urban open space in land use planning.