They went up and camped at Kiriath-jearim in Judah. That is why the place west of Kiriath-jearim is called Mahaneh-dan to this day.
Jewish Publication Society of America Version (JPS1917) - Judges 18:12 >And they went up, and encamped in Kiriath-jearim, in Judah; wherefore that place was called Mahaneh-dan unto this day; behold, it is behind Kiriath-jearim.