Isaiah 20:3

Then the Lord said, “Just as My servant Isaiah has gone naked and barefoot for three years as a sign and omen against Egypt and Cush,

Note That is, the upper Nile region; similarly in verses 4 and 5

And the Lord said, Like as my servant Isaiah hath walked naked and barefoot three years for a sign and wonder upon Egypt and upon Ethiopia;

The Lord said, “As my servant Isaiah has walked naked and barefoot three years for a sign and a wonder concerning Egypt and concerning Ethiopia,

And Jehovah said, Like as my servant Isaiah hath walked naked and barefoot three years for a sign and a wonder concerning Egypt and concerning Ethiopia;