Complex sentence: Hereti is contiguous with the territory around Northern Armenia where many Èrsh placenames are found, as opposed to in Hereti where they are covered up or replaced by Georgian, Caucasian Albanian and Azeri in multiple layers.
Split into simpler sentences: Hereti is contiguous with the territory around Northern Armenia where many Èrsh placenames are found. Paradoxically, in Hereti where they are covered up or replaced by Georgian, Caucasian Albanian and Azeri in multiple layers.