"Regional courts typically handle cases that pertain to specific geographic regions in a continent, as opposed to national or federal courts that have jurisdiction over an entire country. The exact structure, jurisdiction, and naming of regional courts can vary significantly from one country to another, as legal systems differ around the world. Examples of this include the African Court of Human and Peoples' Rights (AfCHPR), the European Court of Human Rights, and the Inter-American Court of Human Rights.
The International Criminal Court is an international tribunal established by the Rome Statute in 1998, with 123 member countries. Located in the Hague, Netherlands, the ICC is designed to be independent, impartial, and complementary to the existing judicial systems.
Crimes against humanity are serious violations committed as part of a large-scale attack against any civilian population (ex: genocide, slavery, deportation/forcible transfer of populations, etc.) "