Tresco, Isles of Scilly
| Tresco 
 | |
|---|---|
| Aerial view of Tresco | |
| Location within Isles of Scilly | |
| Population | 175 (2011) | 
| OS grid reference | SV894147 | 
| Civil parish | 
 | 
| Unitary authority | |
| Ceremonial county | |
| Region | |
| Country | England | 
| Sovereign state | United Kingdom | 
| Post town | ISLES OF SCILLY | 
| Postcode district | TR24 | 
| Dialling code | 01720 | 
| Police | Devon and Cornwall | 
| Fire | Isles of Scilly | 
| Ambulance | South Western | 
| UK Parliament | |
Tresco (Cornish: Enys Skaw, lit. 'island of elder-trees') is the second-biggest island of the Isles of Scilly. It is 297 ha (1.15 sq mi) in area, measuring about 3.5 km (2.2 mi) by 1.75 km (1.09 mi).