"Болгарская" refers to anything related to Болгария, a country in Southeast Europe known for its rich history and diverse culture. The term can describe the language, cuisine, traditions, or people of Болгария. The official language is болгарский язык, which is a South Slavic language and uses the Cyrillic alphabet. In terms of cuisine, "болгарская" often highlights dishes like шопский салат and баница, which showcase fresh vegetables and dairy products. The culture is influenced by various civilizations, including the Византийская империя and Османская империя, contributing to its unique customs and festivals.