Nguyễn Du
Halais Lake is a lake in Hanoi, Vietnam, located next to Nguyễn Du Street, which used to be named "Rue Halais" under the French (1888-1945), hence the name "Halais". According to Vietnamese sources, it should be spelled "Halais Lake", the French name for the lake called "Hồ Thiền Quang" in Vietnamese.