United Nations Security Council Resolution 2378: Preamble (i)

Reaffirming that States bear the primary responsibility for protection of civilians throughout their whole territory while mindful of the important role United Nations peacekeeping operations play in this regard and further recognizing the role that regional and subregional organizations can play in the protection of civilians, and in particular women and children affected by armed conflict, as well as in the prevention of and response to sexual and gender-based violence in armed conflicts and post-conflict situations.