Which is in Samaria. — These words are almost unmeaning, unless they literally signify that Ahab was then in Samaria, not in Jezreel. To interpret them as simply part of Ahab’s title, or as signifying the country, not the town of Samaria, is to explain them away.
Related Commentaries of 1 Kings 21:18
1 Kings 21:18
18 Arise, go down to meet Ahab king of Israel, which is in Samaria: behold, he is in the vineyard of Naboth, whither he is gone down to possess it.