The St. St. Cyril and Methodius National Library (Национална библиотека „Св. cв. Кирил и Методий“) is the National Library of Bulgaria situated in the capital city of Sofia. Founded in 1878 and named after St.st. Cyril and Methodius – the creators of the Cyrillic alphabet. It is currently the largest public library in Bulgaria and the oldest cultural institution after the country’s liberation, and also houses one of the richest Ottoman archival collections. The present building of the library is among the landmarks of Sofia. It was designed by the famous Bulgarian architectural team Vasilyov – Tsolov and completed in 1953.