What does Ezra 1:10 mean?

These are the people from the province of Judah who came back from exile—those Nebuchadnezzar had taken to Babylon. They returned to Jerusalem and Judah, each to their own town. Ezra 1:10 - Modern Text Bible

(This verse introduces the list of returnees. It’s about families reclaiming their homes and identities after years in a foreign land.)