:Of course, Turkic tribes apeared on the territory much earlier than medieval ages. In fact, early mediaeval Albanian historian Moses Kalankaytuk names Hunarakert, which means "the castle of Huns" when referring to the boundaries of the Caucasian Albania ("......someone from the family of Sisakan, one of the descendants of Yafet-Aran who inherited the plains and mountains of Albania beginning from the river Yeraskh (Araxes/Araz) up to the castle of Hunarakert." (II, 21)) But I also want to warn you Codex that the Azeris entry you mentioned contains also some factual errors, I'll try to fix them some time in near future. But this is a different topic. Meanwhile, as per your request, here's one article by a native Udin author about contemporary Udins in Azerbaijan Udins Today Ancestors of the Caucasian Albanians