Ezra 10:7 Midrash

וַיַּעֲבִ֨ירוּ ק֜וֹל בִּיהוּדָ֣ה וִירֽוּשָׁלִַ֗ם לְכֹל֙ בְּנֵ֣י הַגּוֹלָ֔ה לְהִקָּבֵ֖ץ יְרוּשָׁלִָֽם׃

And they made proclamation throughout Judah and Jerusalem unto all the children of the captivity, that they should gather themselves together unto Jerusalem;

Read midrashic interpretation of Ezra 10:7: and classical rabbinic exegesis.