The question "what is the occupation in Israel" is a bit unclear. If you are referring to the term "occupation" in the context of the Israeli-Palestinian conflict, it refers to the Israeli military presence and control over the West Bank, East Jerusalem, and the Gaza Strip since the Six-Day War of 1967. This occupation has resulted in systematic human rights violations against Palestinians living in these territories, including land confiscation, illegal settlement, dispossession, and discrimination. The Israeli government administers the West Bank, except for East Jerusalem, under the Israeli Civil Administration, a branch of the Israeli Ministry of Defense. The legal status of the occupation itself, and not just the actions taken as a part of it, have been increasingly scrutinized by the international community and by scholars in the field of international law, with most finding that regardless of whether the occupation had been legal when it began, it has become illegal over time.