The South China Sea is a large body of water located in Southeast Asia, bordered by several countries including Vietnam, Philippines, Malaysia, and China. It covers an area of about 3.5 million square kilometers and is known for its rich marine biodiversity and significant shipping routes, making it a vital area for international trade. This sea is also a region of geopolitical tension due to overlapping territorial claims by various nations. Key features include the Spratly Islands and the Paracel Islands, which are contested by multiple countries. The area is important for fishing, oil, and natural gas resources, further complicating the disputes.