| Disputed reef | |
|---|---|
 Whitsun Reef in 2011. Sand banks along the north shore are visible. | |
  Whitsun Reef | |
| Other names | Whitson Reef Whitsum Reef Julian Felipe Reef (Philippine English) Bahura ng Julian Felipe (Filipino) 牛轭礁 Niú è jiāo (Chinese) Đá Ba Đầu (Vietnamese) |
| Geography | |
| Location | South China Sea |
| Coordinates | 9°59′38″N 114°39′27″E / 9.99389°N 114.65750°E |
| Claimed by | |
Whitsun Reef, also known as Whitson Reef, Whitsum Reef, and Julian Felipe Reef (Filipino: Bahura ng Julian Felipe; Mandarin Chinese: 牛轭礁; pinyin: Niú è jiāo; Vietnamese: Đá Ba Đầu), is a reef at the northeast extreme limit of the Union Banks in the Spratly Islands of the South China Sea. It is the largest reef of the Union Banks.[1]
- ^ Hancox, David; Prescott, Victor (1995). A Geographical Description of the Spratly Islands and an Account of Hydrographic Surveys amongst Those Islands. Maritime Briefings. Vol. 1. University of Durham, International Boundaries Research Unit. p. 11. ISBN 978-1897643181.
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