'Wilderness' in the Bible

in the high priesthood of Annas and Caiaphas, the word of God came upon John, the son of Zacharias, in the wilderness.

as it is written in the book of the words of Esaias the prophet: Voice of one crying in the wilderness: Prepare ye the way of the Lord, make straight his paths.

But Jesus, full of the Holy Spirit, returned from the Jordan, and was led by the Spirit in the wilderness

And the messengers of John having departed, he began to speak to the crowds concerning John: What went ye out into the wilderness to behold? a reed shaken by the wind?

What man of you having a hundred sheep, and having lost one of them, does not leave the ninety and nine in the wilderness and go after that which is lost, until he find it?