John Gill Commentary 1 Kings 21:23

"And of Jezebel also spake Jehovah, saying, The dogs shall eat Jezebel by the rampart of Jezreel." — 1 Kings 21:23 (ASV)

And of Jezebel also spoke the Lord
To Elijah, and by him:

saying, the dogs shall eat Jezebel by the wall of Jezreel
or in the inheritance or portion of Jezreel, as the Targum; Jarchi interprets it, the valley of Jezreel; the fulfilment of this see in (2 Kings 9:30 2 Kings 9:33 2 Kings 9:36) .