Excerpt from an 1890 map showing the limited roads that existed in the area at that time.
Atheras, Mt Lachties, Palasti, and Kasteli are shown.
Excerpt from a reconstruction by Professor Partsch of Cephalonia as it was in 1262, according to a survey reported by the Catholic bishops:
To Praktikon (1264).
Atheras is there but not Palasti and Kasteli. This suggests they got their names from a later period.
from Joseph Partsch, Kephallenia und Ithaka: Eine geographische Monographie (1890) - black and white map on p. 43, colour map a fold-out