A number of Hittite cuneiform texts dated with the XV century B.C. contain valuable information regarding several polical entities located in the western provinces of the Armenian Highland - Isuwa, Maldiya, Zuhma, Hurri etc. Among them are of considerable interest the Annals of the kings Tudhaliya II and Arnuwanda I, a collective treaty-instruction dated with Arnuwanda I, the Treaty between Tudhaliya II and Sunassura of Kizzuwatna, also KUB XXVI 62, KUB XXXI 103, KUB XXXI 79, KBo XVI 45 and IBoT I 36.