PFC Slavia Sofia is a Bulgarian professional association football club based in Sofia, which currently competes in the top tier of the Bulgarian football league system, the First League. Slavia's home ground is the Slavia Stadium in Ovcha Kupel with a capacity of 25,556. The team's colours are white and black. Established on 10 April 1913, Slavia is currently the oldest sports club in Sofia. Domestically, the club has won the Bulgarian Championship seven times and the Bulgarian Cup eight times. They have also been runners-up in the championship ten times and have reached the cup final on three additional occasions. Among the team's international successes are a European Cup Winners' Cup semi-final in 1967 and a quarter-final in 1981, as well as two consecutive Balkans Cup trophies in 1986 and 1988.