The Old Tung Chung Pier at the mouth of the Pearl River is located on the largest island in what city?
Lantau Island Lantau Island (also Lantao Island; ) is the largest island in Hong Kong, located at the mouth of the Pearl River. Administratively, most of Lantau Island is part of the Islands District of Hong Kong. A small northeastern portion of the island is located in the Tsuen Wan District.
Don Som Don Som is an island part of the Si Phan Don (Lao: ສີ່ພັນດອນ, meaning '4000 islands') riverine archipelago in the Mekong River, Khong District, Champasak Province in southern Laos. It is the second largest island of the area and is located between Don Det in the south and the largest of the islands, Don Khong, in the north.