Legia Warszawa (Polish pronunciation: [ˈlɛɡʲa varˈʂava]) is a professional football club based in Warsaw, Poland. It was founded in March 1916 (during the military operations of the World War I on the eastern front) in the area of Maniewicze in Volhynia as the football club of the Polish Legions. After World War I it became the main official football club of the Polish Army – Wojskowy Klub Sportowy Legia Warszawa (Military Sports Club Legia Warsaw). In the years 1949–1957 Legia was known by the name CWKS Warszawa (Central Military Sports Club Warsaw). Today, it is one of two Warsaw-based football club participating in the Polish Ekstraklasa (alongside Polonia Warsaw). The club's home venue is the Polish Army Stadium. Legia is one of the most successful Polish football clubs in history winning a total of 8 Ekstraklasa Champions titles and 15 Polish Cup trophies. Currently the club is owned by media holding ITI.

Legia was formed between the 5th and 15 March 1916 during the military operations of World War I on the Eastern Front in the neighborhood of Maniewicze in Volhynia as the main football club of the Polish Legions. However, team started its first trainings earlier in the spring of 1915, in the city of Piotrków Trybunalski. In July 1916, due to the Brusilov Offensive, Legia permanently moved to the capital city of Warsaw. First game in Warsaw, Legia played on April 29, 1917 against the local rivalry - Polonia Warsaw. The score was a draw - 1:1. Up to the end of World War I, Legia played nine games in Warsaw; six was won and three were a draw. First away game of Legia was against KS Cracovia, which ended with the result of 2:1 for Legia. With the win over Cracovia, current Polish first league champion at that time, Legia was baptized as unofficial champion of the country.

Warsaw (Polish: Warszawa [varˈʂava] ( listen); see also other names) is the capital and largest city of Poland. It is located on the Vistula River, roughly 260 kilometres (160 mi) from the Baltic Sea and 300 kilometres (190 mi) from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most populous city proper in the European Union. The area of the city covers 516.9 square kilometres (199.6 sq mi), while the city's agglomeration covers 6,100.43 square kilometres (2,355.39 sq mi).

Warsaw is an Alpha- global city, a major international tourist destination and an important economic hub in Central Europe. It is also known as the "phoenix city" because it has survived many wars throughout its history. Most notably, the city had to be painstakingly rebuilt after the extensive damage it suffered from World War II, during which 80% of its buildings were destroyed. On 9 November 1940 the city was awarded Poland's highest military decoration for heroism, the Virtuti Militari, for the Siege of Warsaw (1939).