It's a continuous debate , up until recently they was including Arabia other countries as possible location but Baboon specimens ruled them out. The baboon specimens match what is found in Eritrea and Somalia
Their Eastern Sudan and Eritrea arguments rest on proximity. Also the idea of it being a centralized kingdom which it wasn't , it was a decentralized trading emporium and it's described as such by the Egyptians.
And Ancient Egyptians made it clear they were reaching out to a more far southern place and getting sometime shipwrecked there.
