He tells us that Stobi is a town with many Roman citizens, followed by the phrase "next comes Antigonea, Europus, upon the river Axius" and so on. Thus, we know that Antigonia is located somewhere near Stobi and that Antigonia is not placed on the bank of the river Axius like Aeropus as said by Pliny.
He explains that Stobi has many Roman residents, followed by the phrase "next comes Antigonia, Europus, upon the river Axius" and so forth. Consequently, we can deduce that Antigonia is located close to Stobi and that it does not lie on the bank of the river Axius, contrary to what Pliny claimed.