Lung Kwu Chau (; also previously transliterated as Tung Koo, Tung Koo, Toon Oo or Toon-quoo) is an island at the northwest water of Hong Kong.
Lung Kwu Chau (formerly transliterated as Tung Koo, Tung Koo, Toon Oo or Toon-quoo) is an island located in the northwest region of Hong Kong.