'Upper' in the Bible
The gold nails weighed 50 shekels; he also plated the upper areas with gold.
He made upper Beth Horon and lower Beth Horon fortified cities with walls and barred gates,
He summoned the officers of the units of hundreds, the nobles, the rulers of the people, and all the people of land, and he then led the king down from the Lord's temple. They entered the royal palace through the Upper Gate and seated the king on the royal throne.
He built the Upper Gate to the Lord's temple and did a lot of work on the wall in the area known as Ophel.
Hezekiah dammed up the source of the waters of the Upper Gihon and directed them down to the west side of the City of David. Hezekiah succeeded in all that he did.