Complex sentence: Mesad Hashavyahu is an ancient fortress near the Mediterranean coast, on the border of ancient Judea facing the Philistine city of Ashdod, dating from approximately 630 BCE to 609 BCE, within the reigning years of Josiah, king of Judah.
Split into simpler sentences: Mesad Hashavyahu is an ancient fortress on the border of ancient Judea facing the Philistine city of Ashdod near the Mediterranean Sea. It dates from approximately 630 BCE to 609 BCE, within the reigning years of Josiah, king of Judah.