19 In that day there will be an altar to the LORD in the heart of Egypt, and a monument to the LORD at its border.

Read Isaiah 19:19 Using Other Translations

In that day shall there be an altar to the LORD in the midst of the land of Egypt, and a pillar at the border thereof to the LORD.
In that day there will be an altar to the LORD in the midst of the land of Egypt, and a pillar to the LORD at its border.
In that day there will be an altar to the LORD in the heart of Egypt, and there will be a monument to the LORD at its border.