| Haslar | |
|---|---|
.jpg) Aerial view of Haslar peninsula showing former naval and military installations: Royal Hospital quadrangle in the centre, HMS Hornet and Fort Blockhouse beyond; gunboat yard to the left of the hospital and Admiralty Experiment Works below it; Immigration Removal Centre (ex-Haslar Barracks) bottom right. | |
  Haslar Location within Hampshire | |
| District | |
| Shire county | |
| Region | |
| Country | England |
| Sovereign state | United Kingdom |
| Post town | GOSPORT |
| Postcode district | PO12 |
| Dialling code | 023 |
| Police | Hampshire and Isle of Wight |
| Fire | Hampshire and Isle of Wight |
| Ambulance | South Central |
| UK Parliament | |
Haslar is on the south coast of England, at the southern tip of Alverstoke, on the Gosport peninsula, Hampshire. It takes its name from the Old English hæsel-ōra, meaning "hazel-landing place". It may have been named after a bank of hazel strewn on marshy grounds around Haslar Creek to make it passable and habitable in old times, or merely because hazel grew there.