Joshua 10:2 in the King James Version
That they feared greatly, because Gibeon was a great city, as one of the royal cities, and because it was greater than Ai, and all the men thereof were mighty.
Context
1 Now when Adoni-Zedek king of Jerusalem heard how Joshua had taken Ai, and had utterly destroyed it; as he had done to Jericho and her king, so he had done to Ai and her king; and how the inhabitants of Gibeon had made peace with Israel, and were among them,
2 they were very afraid, because Gibeon was a great city, as one of the royal cities, and because it was greater than Ai, and all its men were mighty.
3 Therefore Adoni-Zedek king of Jerusalem sent to Hoham king of Hebron, Piram king of Jarmuth, Japhia king of Lachish, and Debir king of Eglon, saying,