Original sentence: According to Tacitus, the territory of Aesti was located somewhere east of the Suiones (Swedes) and west of the Sitones, on the Suebian (Baltic) Sea
Edited sentence: According to Tacitus, the territory of Aesti was located somewhere east of the Suiones (Swedes) and west of the Sitones (possibly the ancient "Kvens"), on the Suebian (Baltic) Sea