Charles Ellicott Commentary Jeremiah 43:7

"and they came into the land of Egypt; for they obeyed not the voice of Jehovah: and they came unto Tahpanhes." — Jeremiah 43:7 (ASV)

Thus they came even to Tahpanhes. —The town was obviously on the north-eastern frontier of Egypt.

In Judith 1:9, it appears between the river of Egypt (the Rhinocolura, which divided Egypt from Palestine), Ramesse (the Raamses of Exodus 1:11, or Rameses of Numbers 33:3 and Numbers 33:5), and all the land of Gesen, or Goshen. In Ezekiel 30:16-18, it is named, in conjunction with No (meaning Thebes) and Noph (meaning Memphis), among the chief cities of Egypt.

In Greek historians, it appears as Daphne and as near Pelusium (Herodotus 2.30); and in the Itinerary of Antoninus, it is placed under the name of Dafno, at a distance of sixteen Roman miles from the latter city. Its name may also be connected with that of the Egyptian Queen Tahpenes, mentioned in 1 Kings 11:19.

Here, apparently, the emigrants determined to settle and found a new home for themselves.