The Karo, or Karonese, are a people of the 'tanah Karo' (Karo lands) of North Sumatra and a small part of neighboring Aceh. The Karo lands consist of Karo Regency, plus neighboring areas in East Aceh Regency, Langkat Regency, Dairi Regency, Simalungun Regency and Deli Serdang Regency. In addition, the cities of Binjai and Medan, both bordered by Deli Serdang Regency, contain significant Karo populations, particularly in the Padang Bulan area of Medan. The town of Sibolangit, Deli Serdang Regency in the foothills on the road from Medan to Berastagi is also a significant Karo town.