WBC Slavia Sofia is a Bulgarian women's basketball section of the Slavia Sofia sport society. Slavia Sofia was an early powerhouse of Bulgarian women's basketball, winning 12 national championships between 1953 and 1965. In 1959 it won the inaugural edition of the European Cup beating Dynamo Moscow, and in 1965 it won its second title, becoming the only team to knock out Daugava Riga in the competition between 1960 and 1975. It also reached the finals in 1960 and 1965. However, since 1965 the team has not won any additional championships. Its major international success in subsequent years was reaching the Ronchetti Cup's semifinals in 1980.