Complex sentence: The first settlements uncovered by archeologists in Alimos date back to the Neolithic period, and the excavation site can be found in the region of Ano Kalamaki, immediately by the Vouliagmenis highway.
Split into simpler sentences: The first settlements uncovered by archeologists in Alimos date back to the Neolithic period. The excavation site can be found in the region of Ano Kalamaki, right besides Vouliagmenis highway.