Britannica
Sources used in this answer
Which alphabet is used to write the Bulgarian language?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
The Bulgarian language is written using the Cyrillic alphabet.12
Developed in the 9th–10th century, this writing system was constructed by disciples of Saints Cyril and Methodius in the South Slavic regions, including present-day Bulgaria. The modern Bulgarian version of the alphabet consists of 30 letters, having been modified over time from the original script.2