From Sparta/Sparda (Hellenic) in the northwest to Gaeli (Celtic) in the north to Padania (Italic) and Suedin/Alman/Guti (Germanic) in the west and Kashu/Kashubia (Slavic) in the center.
For example, look at Biography of King of Babilonia Agum II Kakrime (ca. 1592-1549 a.C.): https://thebiography.us/en/agum-ii-kakrime
For example, look at Biography of King of Babilonia Agum II Kakrime (ca. 1592-1549 a.C.): https://thebiography.us/en/agum-ii-kakrime
Among his titles, in addition to the of "King of Kashshi and Akkada", held "King of Padan " (city of the North-East of Babylon), "King of Alman" (the cassita country) and "King of Gutium" (qutu, in Kurdistan).