Complex sentence: Veii (also Veius,) was, in ancient times, an important Etruscan city NNW of Rome, Italy; it now lies in Isola Farnese in the comune of Rome.
Split into simpler sentences: Veii (also Veius,) was, in ancient times, an important Etruscan city north-northwest of Rome, Italy. It now lies in Isola Farnese, in the comune of Rome.