Batak Karo is a Northern Batak language spoken by about 491,000 people in the provinces of Aceh and North Sumatra in Indonesia. It is spoken in particular in the Aceh Selatan, Aceh Singli, Aceh Tenggara and Kota Subulussalam regencies in Aceh province, and in the Dairi, Deli Serdang, Karo, Langkat and Tapanuli Tengah regencies of North Sumatra province. It is spoken by adults and some young people, although in urban areas some younger people are shifting to Indonesian.
Batak Karo is also known as Karo Batak or kalak Karo. Native speakers call it cakap Karo. There are two main dialects: the eastern dialect and the western dialect. They differ mainly in pronunciation.
There are ways to write Batak Karo with the Batak script and with the Latin alphabet. There is a dictionary, grammar and a translation of the Bible in Batak Karo.
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