CIS stands for the Commonwealth of Independent States, a regional organization formed in 1991 after the dissolution of the Soviet Union. It consists of several former Soviet republics, aiming to promote cooperation in various areas such as trade, security, and cultural exchange. The CIS provides a platform for member states to collaborate on economic and political issues, enhancing regional stability. While it has faced challenges and varying levels of commitment from its members, it remains an important entity for fostering dialogue and partnership among its participants.