CSKA Sofia

CSKA (Bulgarian: ЦСКА) 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 (Bulgarian: Централен Спортен Клуб на Армията). 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 20 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".