Ngchesar | |
|---|---|
 Ngchesar, Palau in 1932 | |
 Location of Ngchesar in Palau | |
| Country |  Palau |
| Capital | Ngersuul |
| Area | |
| • Total | 40 km2 (20 sq mi) |
| Population (2015 Census) | |
| • Total | 291 |
| • Density | 7.3/km2 (19/sq mi) |
| • Official languages | Palauan English |
| ISO 3166 code | PW-226 |
Ngchesar also known as Oldiais is one of the sixteen states of the nation of Palau in Oceania.