The other separate entity (Stroitel Sofia) which is now defunct and regarded as a different club had remained in First Division.

They have also been runners-up in the championship ten times and have reached the cup final on three additional occasions.

More recently, their current main rivals are Lokomotiv Sofia, called the Little capital derby, as well as a rivalry with the city's other club CSKA.

On 10 April 1913, a group of young people living near a Russian Monument in Sofia and representatives of the local capital clubs Botev and Razvitie, in a coffee-house – Alabin str.

As members of the first club administrative council were elected Emanuil Geshev, Ferdinand Mihaylov, Tsvyatko Velichkov, Georgi Grigorov and Todor Kalkandzhiev.

A few days later, was elected the first football team of the club – Stefan Lalov, Ilia Georgiev, Emanuil Geshev, Todor Kalkandzhiev, Stefan Chumpalov, Dimitar Blagoev – Palio (all of them from Botev) and Pavel Grozdanov, Ferdinand Mihaylov, Boris Sharankov, Asen Bramchev, Dimitar Cvetkov (all of them from Razvitie).

On 5 June 1928, the club won its first champion title, winning 4–0 in the final match against Vladislav Varna.

In 1986, Slavia won Balkans Cup, defeating Greek side Panionios 5–3 on aggregate in the final.

In the 2010–11 season, Slavia reached the Bulgarian Cup final, defeating Ludogorets Razgrad, Etar 1924, Chernomorets Burgas and Pirin Blagoevgrad en route.

As of 15 February 2025[update] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

If a player does not have European ancestry he can claim Bulgarian citizenship after playing in Bulgaria for 5 years.

In the first ten years after Slavia was founded, the club played in the stadium of his predecessor SC Razvitie.

On 3 October 1923, Slavia became the owner of land to the Russian Monument in Sofia, where was the first ground of the club.

The stadium is built in a residential area Ovcha Kupel, served by regular bus services 6 km from Sofia city centre.