Lansdowne Reef (Filipino: Bahura ng Pagkakaisa); Len Đao Reef (Vietnamese: Đá Len Đao); Mandarin Chinese: 琼礁; pinyin: Qióng jiāo, is a cay on the southern part of the Union Banks of the Spratly Islands in the South China Sea.

It is also claimed by China (PRC), the Philippines, Vietnam, and Taiwan (ROC).

[1][2][3] This Asia location article is a stub.

You can help Wikipedia by expanding it.This article about a location in Vietnam is a stub.

You can help Wikipedia by expanding it.This article about an island is a stub.