Tell Arqa is an archaeological site located in Akkar Governorate, Lebanon. The site dates back to the Neolithic period and later became a Phoenician city mentioned in antiquity in the Amarna letters, as well as in Assyrian documents. The Roman town in the site was named Caesarea of Lebanon or Arca Caesarea, and during the Crusades there was a castle of strategic importance known today as Arqa Castle.