text: CSKA Sofia () is a Bulgarian professional association football club based in Sofia and currently competing in the country's premier football competition, the First League. CSKA is an abbreviation for Central Sports Club of the Army ().
  Officially established on 5 May 1948 , CSKA's roots date back to an army officers' club founded in 1923. The club has won a record 31 Bulgarian titles and 21 Bulgarian Cups. Internationally, CSKA are the only Bulgarian club to have reached the semi-finals of the European Cup, which they have done twice, and they have also reached the semi-final of the UEFA Cup Winners' Cup once.
  CSKA's home colors are red and white and its home ground is the Bulgarian Army Stadium. The club's biggest rivals are Levski Sofia and matches between the two sides are known as "The Eternal Derby of Bulgaria".
  History
  1923–1948
  In November 1923, football clubs Athletic Sofia and Slava Sofia merged to form AS-23, short for Officers' Sports Club Athletic Slava 1923, under the patronage of the Ministry of War, which provided the equipment.