Serbian is South Slavic language spoken by Serbs, primarily in Serbia, Kosovo, Montenegro and some parts of neighboring countries. It is also spoken by many Serbs in diaspora, mainly in Central European countries, North America and Australia. The language is European and south Slavic. This language got a complete makeover in the mid-1800s by Serbian linguist Vuk Karadžić; when it was modernized from the times of Middle Ages, when "Old Serbian" was still spoken. Total number of speakers worldwide today is estimated to be more than 12 million.