'City gate' in the Bible

The Ammonites marched out and lined up in battle formation at the entrance to the city gate while the Arameans of Zobah and Rehob and the men of Tob and Maacah were in the field by themselves.

He would get up early and stand beside the road leading to the city gate. Whenever anyone had a grievance to bring before the king for settlement, Absalom called out to him and asked, “What city are you from?” If he replied, “Your servant is from one of the tribes of Israel,”

David was extremely thirsty and said, “If only someone would bring me water to drink from the well at the city gate of Bethlehem!”