Brenton/LXX Jeremiah 29-31 carries oracles against Philistia, Idumea, Ammon, Kedar, Damascus, and Moab, familiar as portions of Jeremiah 47-49 in English Bibles following the Masoretic order.
Read and follow along: https://orthodoxbiblestudy.com/bible-studies/old-testament/jeremiah/jeremiah-29-31-lxx-philistia-and-the-neighboring-nations