The language primarily spoken in Russia is Russian. Belonging to the East Slavic group of the Indo-European language family, Russian is the most widely spoken Slavic language and serves as an official language in Russia and several surrounding countries. It uses the Cyrillic script, which was developed in the first Bulgarian Empire and has undergone various reforms over the centuries. Russian is known for its complex grammar, rich vocabulary, and significant literary heritage, with notable writers such as Leo Tolstoy and Fyodor Dostoevsky contributing to its esteemed literary tradition.