This is near the lake of Niya that Thutmose III would have faced a horde of 120 elephants. But the country, through its king Takuwa, is also mentioned in the tablets found in the nearby cities (Qatna and Ugarit in particular), in the archives of Hattusa and the couriers of Amarna:
"I ro 30-37" begins like this : I crossed the Euphrates again and subjected the land of Halab and the country of Mukis. Takuwa king of Niya came before me in the land of ... Mukis.
"EA59" indicates that Aziru, King of Amurru had looted Niya.
"RS 17.340" evokes a coalition of Mukis, Nuhasse and Niya confronting the country of Ugarit, whose king was then Niqmaddu.
Many other texts mention all together Niya, Mukis and Nuhasse. This confirms a territorial proximity of these three countries.
Many researchers see this city-state in southern Mukis, west of Nuhasse on the Syrian town of Qalat el-Moudik, which would also be the Roman Apamea. Archaeological excavations have shown that the city was occupied from ancient times: