The Batak are an indigenous ethnic group from the northern part of Sumatra, Indonesia. They are known for their rich cultural heritage, which includes traditional music, dance, and unique architectural styles, particularly their distinctive houses called Rumah Bolon. The Batak people primarily inhabit the regions around Lake Toba, one of the largest volcanic lakes in the world. The Batak community is divided into several sub-groups, including the Toba, Karo, Simalungun, Pakpak, and Angkola. Each sub-group has its own dialect, customs, and traditions. The Batak are also known for their strong kinship ties and communal lifestyle, which play a significant role in their social structure and cultural practices.