  Location within Antarctica  Location within Antarctic Peninsula | |
| Geography | |
|---|---|
| Location | Antarctica |
| Coordinates | 66°24′47″S 67°05′30″W / 66.41306°S 67.09167°W |
| Archipelago | Biscoe Islands |
| Area | 21.72 ha (53.7 acres) |
| Length | 900 m (3000 ft) |
| Width | 340 m (1120 ft) |
| Administration | |
| Administered under the Antarctic Treaty System | |
| Demographics | |
| Population | uninhabited |
Alcheh Island (Bulgarian: остров Алшех, romanized: ostrov Alcheh, IPA: [ˈɔstrof ɐɫˈʃɛx]) is the ice-covered island in the Barcroft group of Biscoe Islands in Antarctica 900 m long in south-southwest to north-northeast direction and 340 m wide. Its surface area is 21.72 ha.
The feature is named after the Bulgarian Argentine architect Deiana Alcheh for her support for the infrastructure development of the Bulgarian Antarctic base.
