Here is information on regional courts in their various stages of development:
Here is the home page for the African Court of Human and People’s Rights
Here is the home page for the European Court of Human Rights
Here is the home page for the Inter-American Court of Human Rights
This Annual Report provides a good understanding of the work of the Court and also a good summary with respect to particular cases.
Here is information on the Inter-American Commission on Human Rights, an independent Commission that reviews, hears and sometimes sends cases to the Inter-American Court of Human Rights.
Here is a good video about the structure of ASEAN in 2018