This document provides information about the ethnic groups in Bulgaria. It states that Bulgarians make up 83.9% of the population, with Turks being the largest minority at 9.4% who are mostly concentrated in northeastern Bulgaria and the south. It notes that Roma make up 4.7% of the population and are referred to as Tsigani, with both Bulgarian and Turkish Roma populations. The document also briefly mentions other minor groups such as Jews, Russians, Gagauz, Greeks, and Karakachans.