Grierson Reef is a rock located in the Spratly Islands. Vietnam first took possession of the feature in 1978.
U.S. Board of Geographic Names: Grierson Reef
China: Ranqing Shazhou, 染青沙洲
Philippines: Julian Felipe Reef
Vietnam: Đảo Sinh Tồn Đông
Occupied by: Vietnam
Legal Status: Rock
GPS: 9° 54' 8" N, 114° 33' 50" E