In 2005, 21 Israeli settlements in the Gaza Strip and four Israeli settlements in the West Bank were unilaterally dismantled.[1] Israeli settlers and army evacuated from inside the Gaza Strip, redeploying its military along the border.[2] The disengagement was conducted unilaterally by Israel, in particular, Israel rejected any coordination or orderly hand-over to the Palestinian Authority.[3] Despite the disengagement, the Gaza Strip is still considered to be occupied under international law.
I don’t need to explain it in my words since more qualified people did a much better job explaining it and I have yet to see any kind of fact, source, or piece of information which would lead me to believe the above is incorrect.