'City gate' in the Bible

David expressed a longing, "Oh, how I wish someone would get me a drink of water from the Bethlehem well that's by the city gate!"

So the Three Warriors broke through the Philistine ranks, drew some water from the Bethlehem well that was next to the city gate, and brought it back to David. But David refused to drink it, poured it out in the LORD's presence, and