en_tn_lite_do_not_use/ezr/08/36.md

the governors in the Province Beyond the River

These were the Babylonian officials managing the people west of the Euphrates River, which included the people living in Judea.

the Province Beyond the River

This is the name of the province that was west of the Euphrates River. It was across the river from the city of Susa. It included Judea. See how you translated it in Esra 4:10. (See: rc://en/ta/man/translate/translate-names)