Batak Toba is an Southern Batak language spoken by approximately 1.6 million people in the North Sumatra province of Indonesia, primarily around Lake Toba. it is spoken in the regencies of Asahan, Humbang Hasundutan, Labuhan Batu Utara, Samosir, Simalungan, south Tapanuli Tengah, Tapanuli Utara and Toba Samosir.
It is one of several Batak languages and is known for having unique phonological processes and grammatical structures. While the language is still widely spoken, some sources indicate it may be endangered or on its way to being so, depending on the level of institutional support.
in the province of North Sumatra in Indonesia. In particular,
Batak Toba is also known as Toba Batak. Native speakers call it Batta or Hata Batak Toba. It is spoken by adults and some children, although young people are shifting to Indonesian, particularly in urban areas.
These days Batak Toba is written with the Latin alphabet, and in the past it was written with the Batak script. It is taught in some primary schools, and there is some written material in the language, including dictionaries, grammars and a translation of the Bible.
Today, most of the Batak Toba are Christians, with a small number of them who already converted to Islam. European missionaries spread Christianity in the traditional homeland of the Batak Toba people during the late 19th century. Despite being Christian, many Batak people still perform pagan rituals, such as the bona taon (clan gathering).