The International Centre for Settlement of Investment Disputes (ICSID) is an international arbitration institution that was created by the Convention on the Settlement of Investment Disputes between States and Nationals of Other States, which was signed in 1965 and came into force in 1966. The Convention was created to provide a mechanism for resolving disputes between investors and the countries in which they invest. ICSID is part of the World Bank Group, and is based in Washington, D.C.

ICSID provides a neutral forum for the settlement of investment disputes between foreign investors and host countries. Its primary function is to provide a legal framework for the resolution of investment disputes that arise between foreign investors and host countries. The Convention provides for the settlement of disputes through conciliation, arbitration, or a combination of the two.

ICSID's conciliation and arbitration procedures are designed to be impartial, transparent, and efficient. Parties to a dispute are free to choose their own arbitrators, and ICSID provides a list of qualified arbitrators for parties to choose from. The procedures are conducted in accordance with the ICSID Rules of Procedure for Arbitration Proceedings and the ICSID Rules of Procedure for Conciliation Proceedings.

ICSID has been instrumental in resolving disputes between foreign investors and host countries. Its caseload has grown significantly since its creation, and it has become one of the most important institutions for resolving investment disputes. The majority of cases that come before ICSID involve disputes between foreign investors and host countries over investment contracts, nationalization, expropriation, and other government actions that affect foreign investment.

ICSID's role in promoting foreign investment is widely recognized. Its services are used by governments, multinational corporations, and investors to provide a secure legal framework for investment. By providing a neutral forum for resolving investment disputes, ICSID has helped to promote foreign investment in developing countries and to improve the investment climate in many parts of the world.

In addition to providing arbitration and conciliation services, ICSID provides technical assistance to countries in developing their legal and regulatory frameworks for investment. It also conducts research on investment law and policy, and provides training to lawyers and other professionals involved in investment disputes.

ICSID's success in promoting investment and resolving disputes has made it an important institution in the international investment community. Its procedures are transparent, efficient, and impartial, and its decisions are widely respected. As the global economy continues to grow and investment flows increase, ICSID's role in promoting investment and resolving disputes is likely to become even more important.