Verses with the word camp in the New Testament (3 verses):

Hebrews 13:11
For the bodies of those beasts, whose blood is brought into the sanctuary by the high priest for sin, are burned without the camp.

Hebrews 13:13
Let us go forth therefore unto him without the camp, bearing his reproach.

Revelation 20:9
And they went up on the breadth of the earth, and compassed the camp of the saints about, and the beloved city: and fire came down from God out of heaven, and devoured them.