PFC Levski Sofia is a Bulgarian professional association football club based in Sofia, which competes in the First League, the top division of the Bulgarian football league system. The club was founded on 24 May 1914 by a group of high school students, and is named after Vasil Levski, a Bulgarian revolutionary renowned as the national hero of the country.

The First Professional Football League, commonly known as Parva Liga or Bulgarian First League, is a professional association football league, being the top tier of Bulgarian football league system. Contested by 16 teams, it operates on a system of promotion and relegation with the Second Professional Football League.