Exodus 14:2 -
Speak unto the children of Israel, that they turn and encamp before Pi-hahiroth, between Migdol and the sea, over against Baal-zephon: before it shall ye encamp by the sea.
Exodus 14:9 -
But the Egyptians pursued after them, all the horses and chariots of Pharaoh, and his horsemen, and his army, and overtook them encamping by the sea, beside Pi-hahiroth, before Baal-zephon.
Numbers 33:7
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And they removed from Etham, and turned again unto Pi-hahiroth, which is before Baal-zephon: and they pitched before Migdol.