Certain Eastern European refers to people from countries in Eastern Europe, such as those in the Slavic region. The term can be broken down into three parts: SLAV, CROAT, and SERB. SLAV is a term used to refer to the group of people who speak the Slavic languages, which are mainly spoken in Eastern Europe. CROAT is a term used to refer to the people of Croatia, a country located in the Balkan region of Europe. Lastly, SERB is a term used to refer to the people of Serbia, another country located in the Balkan region of Europe.