אֵ֣ין עוֹד֮ תְּהִלַּ֣ת מוֹאָב֒ בְּחֶשְׁבּ֗וֹן חָשְׁב֤וּ עָלֶ֙יהָ֙ רָעָ֔ה לְכ֖וּ וְנַכְרִיתֶ֣נָּה מִגּ֑וֹי גַּם־מַדְמֵ֣ן תִּדֹּ֔מִּי אַחֲרַ֖יִךְ תֵּ֥לֶךְ חָֽרֶב׃
The praise of Moab is no more; in Heshbon they have devised evil against her: ‘Come, and let us cut her off from being a nation.’ Thou also, O Madmen, shalt be brought to silence; the sword shall pursue thee.
Rashi on Jeremiah
in Heshbon...Madmen These are place names, and according to their names he mentions their retribution.