Bulgarian language is one of the South Slavonic languages, descendent of Old Bulgarian (OldChurch Slavonic). It belongs to the family of Indo-European languages and is one of the most important languages of the Slavonic group of languages. Bulgarian is the official language of Republic of Bulgaria. With the joining of Bulgaria to the European Union on 1 January 2007 Bulgarian is today one of the official languages of the European Union. Bulgarian is officially recognized as minority language in Macedonia, Serbia, Greece, Turkey, Ukraine, Moldova,Romania, Albania and Kosovo. Apart from these countries there is a large spread of Bulgarian diaspora in the world. It is spoken by more than 10 million people.