The Western Indian Ocean Rim has grown to be a crucial region for international trade and security, and as a result, it has attracted the attention of many big nations. Oil and gas, minerals, and fisheries are abundant in this area, which also serves as a significant maritime route between the Middle East, Africa, and Asia. China, France, Japan, India, and the United States have recently strengthened their regional presence to safeguard their interests and gain a strategic edge. To comprehend how the region's geopolitical environment is changing in this context, a strategic evaluation of the great powers’ interests, capabilities, and operations in the Western Indian Ocean Rim is required. This evaluation considers each power's present economic and military prowess and historical and cultural ties to the area. The intricate network of regional actors, including states, non-state entities, and international organizations, and their interactions with the major powers are considered. The strategic evaluation analyses the regional ambitions of the great powers, including their geopolitical, military, and economic objectives. It examines their use of political, financial, and military means to accomplish these goals. The evaluation also outlines potential hazards and difficulties linked to each power's presence and operations in the region, such as environmental deterioration, resource depletion, and regional war.