The Karasu (Arabic: قره صو) or Aswad (Arabic: الأسود) is a river in the provinces of Gaziantep and Hatay in Turkey. For part of its length it forms the border with Aleppo Governorate in Syria. It joins the Afrin River at the site of the former Lake Amik, and its waters now flow to the Orontes by a canal.
- US Bureau of Intelligence and Research: International Boundary Study No.163 (1978) Archived 2008-02-27 at the Wayback Machine p.12
- Antakya Chamber of Commerce: Geographical location Archived 2010-10-08 at the Wayback Machine