The National Library of Bulgaria, officially known as the St. Cyril and St. Methodius National Library, is the largest library in Bulgaria. Established in 1878, it serves as a key cultural institution, preserving the country's literary heritage and providing access to a vast collection of books, manuscripts, and periodicals. The library plays a crucial role in promoting research and education in Bulgaria. Located in Sofia, the capital city, the library houses over 8 million items, including rare historical documents and valuable collections. It also offers various services, such as reading rooms and digital resources, making it an essential hub for scholars, students, and the general public.