雅德马乌州是帕劳16个行政区之一，位于巴伯尔图阿普岛北部雅拉尔德州和埃雷姆伦维州之间，面积20.5平方英哩，最近的人口普查显示人口为221，主要旅游景点有瀑布。

• Official Ngardmau Website
• Seacology Ngardmau State Project

Ngardmau is one of Palau's sixteen states and is located on the west side of Babeldaob between the states of Ngaraard and Ngeremlengui. Its total area is 20.5 square miles (53 km). According to the last census, 221 persons live in Ngardmau. Their 46 households are situated in three hamlets: Ngetbong, Ngerutoi and Urdmau. The hamlets have no visible boundaries, but form one settlement.