| Coordinates | 55°12′N 11°12′E |
|---|---|
| Location | Great Belt |
| Area | 6.84 km² |
| Country | Denmark |
| Region | Region Zealand |
| Country admin divisions title 1 | Municipality |
| Country admin divisions 1 | Slagelse Municipality |
| Population | 195 |
| Population as of | 2024 |
| Density | 28.51 km² |
Agersø is a Danish island in the Great Belt close to Zealand. The island covers an area of 6.84 km2 and has 195 inhabitants (2024).[1]