Territorial integrity is the principle under International law deals with the relationships between states, or between persons or entities in different states. It sub-divides into public international law, and private international law. When used without an adjective, international law generally refers to public international law, and this article concentrates on that meaning. Traditionally, international law... international law that nation-states should not attempt to promote secessionist movements or to promote Border has several different, but related meanings: Generic borders A border can consist of a margin around the edge of something, such as a lawn, garden, photograph, or sheet of paper. Horticultural borders A herbaceous border comprises a narrow strip of plants along the edge of a garden path or... border changes in other nation-states. Conversely it states that border changes that are imposed by force are acts of Aggression is defined as The act of initiating hostilities or invasion. The practice or habit of launching attacks. Hostile or destructive behavior or actions. Aggression in humans is partly genetic, with origins going as far as to our reptilian ancestors, and partly a result of the upbringing. One of the... aggression.

There is some tension between the concept of territorial integrity and the concept of Self-determination is a principle in international law that a people ought to be able to determine their own governmental forms and structure free from outside influence. This principle was first articulated by Woodrow Wilson in his Fourteen Points; and was important in the Treaty of Versailles for drawing the... self-determination.

In recent years there has been tension between this principle and the concept of humanitarian intervention. An example of where the concept of territorial integrity and humanitarian intervention collide is the The term Kosovo War or Kosovo Conflict is often used to describe two sequential and at times parallel armed conflicts (a civil war followed by an international war) in the southern Serbian province called Kosovo (officially Kosovo and Metohia), part of the former Federal Republic of Yugoslavia. These conflicts were... Kosovo War.

See also A territory is a defined area (including land and waters), usually considered to be a possession of an animal, person, organization, or institution. In biology, an organism which defends an area against intrusion (usually from members of its own species) is said to be territorial. For further details see territory... Territory