וַיִּמְכְּרֵ֣ם יְהוָ֗ה בְּיַד֙ יָבִ֣ין מֶֽלֶךְ־כְּנַ֔עַן אֲשֶׁ֥ר מָלַ֖ךְ בְּחָצ֑וֹר וְשַׂר־צְבָאוֹ֙ סִֽיסְרָ֔א וְה֥וּא יוֹשֵׁ֖ב בַּחֲרֹ֥שֶׁת הַגּוֹיִֽם׃
永恆者就把他們交在迦南王耶賓手中，他曾在夏瑣作王；他的將軍是西西拉，住在外邦人的夏羅設。
Rashi
Charoshes Hogoyim. The name of a city, so entitled because it was a stronghold, and the seat of authority.1This is based on Targum Yonasan, who translates חֲרֹשֶׁת הַגּוֹיׅם as “the stronghold, metropolis of nations”.
Metzudat David
Before Joshua captured Chatzor, as its written in Joshua 11:1, he smote it with a sword, but not its king. After he was captured (he saved himself?) and the king of Charoshet goyim, it was a place where all froms of iron work was done.