Luke 2 https://www.biblegateway.com/passage/?search=Luke+2&version=GNT
has Joseph bringing Mary from Nazareth in Galilee, to Bethlehem in Judea, to register for the census, because Joseph was a descendant of King David.
Did Roman censuses really require people go to the town of their ancestors to register? Or, could people simply register where they lived?
Here's a detailed response from last year, in the form of an exchange between myself and /u/mythoplokos.
The upshot is: