Isaiah was a prophet who lived in the 8th century BC in the kingdom of Judah, which was located in the southern part of the region that is now Israel. He is one of the major prophets of the Old Testament and is considered one of the greatest prophets of Israel.

Isaiah is known for his prophecies about the coming of the Messiah, whom he refers to as the “servant of the Lord.” He also prophesies about the destruction of Jerusalem and the Babylonian exile, which came to pass in the following centuries.

Isaiah’s prophecies are recorded in the book of Isaiah in the Old Testament. The book is divided into two main sections: chapters 1-39 contain Isaiah’s prophecies about Judah and Jerusalem, while chapters 40-66 contain his prophecies about the future restoration of Israel and the coming of the Messiah.

Isaiah’s prophecies are known for their poetic and powerful language, as well as their themes of repentance, judgment, and salvation. Many of his prophecies are also cited in the New Testament as proof of Jesus’ fulfillment of Old Testament prophecy.

Overall, Isaiah is an important figure in the history of the Israelite people and in the development of Jewish and Christian theology. His writings continue to be studied and revered by believers today.