Shamshi-Adad I

Shamshi-Adad I (Akkadian: Šamši-Adad; Amorite: Shamshi-Addu; died c. 1776 BC, ruled c. 1809–1776 BC) was an Amorite ruler of Ekallatum and conqueror who had conquered lands across much of Syria, Anatolia, and Upper Mesopotamia

creating the Kingdom of Upper Mesopotamia. His capital was originally at Ekallatum and later moved to Šubat-Enlil.

Source: Wikipedia — https://en.wikipedia.org/wiki/Shamshi-Adad_I