Hazleton Common, Horndean

On 1 August, 1992, 15-year-old schoolgirl Helen Gorrie was found half-naked and strangled in the grounds of Merchistoun Hall in Horndean, Hampshire, after going out one night to meet a 21-year-old man named John Corcoran. She had met him the night before as he cruised around the area in his vehicle, and he had asked her to meet up with him that night. The murder of the schoolgirl made headline news at the time and featured on Crimewatch. Corcoran was suspected of strangling Gorrie after she refused his sexual advances, and in 1999 he was convicted of her murder, as well as being charged with the rape of a 14-year-old girl in 1990. In 2003 Corcoran was released on appeal, on the grounds that the judge's final summing up had been deficient. The police revealed that there were no grounds to re-open the investigation and that they were not looking for anybody else, although the case remains officially unsolved.

Cowplain is a village north of Waterlooville, Hampshire, England. With a population of 9,353 at the 2011 census, it makes up above 7% of Havant borough's population. It grew along the old London to Portsmouth road (the A3) on which the village centre and local shops lie.

Horndean is a village and civil parish in Hampshire, England, 8 miles (13 km) north of Portsmouth. The nearest railway station is 2.2 miles (3.5 km) southeast of the village at Rowlands Castle. The village had a population of 12,942 at the 2011 Census, and shares the semi-rural character of others in the district. The village was the home of Gales Brewery from 1850. In 2005, it was bought by Fuller, Smith and Turner, who closed it in 2006, when it was converted to shops and flats.

Horndean Technology College is a large school, situated in the village of Horndean in Hampshire, England. The school has formerly been called Horndean Community School, Horndean Secondary School and Horndean Bilateral. It is also sometimes informally referred to as Barton Cross, after the road on which its main entrance is situated. The school teaches over 1500 students a range of subjects, and has a large campus with over 11 buildings. The school has started a pilot scheme where they offer podcasts over the internet for at-home learning.

Horndean F.C. is an English football club based in Horndean, near Portsmouth in Hampshire. The club are currently members of the Isthmian League South East Division and play at the Stanley Chase Stadium on Five Heads Road, Horndean.

Blendworth is a village and former civil parish, now in the parish of Horndean, in the East Hampshire district of Hampshire, England. It lies 0.4 miles (0.6 km) northeast of Horndean just east off the A3 road. The village has a population of fewer than 100 people, in 1931 the parish had a population of 398. On 1 April 1932 the parish was abolished and merged with Horndean, Rowlands Castle and Havant. The church, Holy Trinity, was erected in 1850–51, and until recently had a C of E Infant School next to it. Blendworth also has a brass band. and had stables until 2022 when all the land belonging to Myrtle Farm - which included the stables - was sold. The nearest railway station is 2.2 miles (3.5 km) southeast of the village, at Rowlands Castle. The village is also close to Chalton, Finchdean and Rowlands Castle.

Yoell's Copse is a 5.5-hectare (14-acre) Local Nature Reserve in Horndean in Hampshire. It is owned and managed by Horndean Parish Council.This ancient wood has coppiced mature oak trees and wild service trees. There are uncommon plants such as butcher's-broom and common cow-wheat.

Meon Valley () is a parliamentary constituency in Hampshire represented in the House of Commons of the UK Parliament by Flick Drummond, a Conservative, since 2019. It had previously been represented since its 2010 creation by George Hollingbery.The seat is due to be abolished for the next general election.

Havant Thicket Reservoir is a reservoir currently (2022) under preliminary site preparation to the north of the town of Havant in Hampshire, England. The reservoir is a joint initiative between two water companies, Portsmouth Water and Southern Water and, when completed (expected to be 2029), will span 160 hectares with an anticipated capacity of 8.7 billion litres. It will supply an average of 21 million litres of water per day and allow Southern Water to reduce the volume it extracts from the rivers Test and Itchen. The site is bounded to the north by Havant Thicket, an area of forestry managed by Forestry England, to the east by Staunton Country Park and by the Leigh Park area of Havant to the south. It will straddle the border between the Borough of Havant and Chichester District. The site is underlain by clay, silt and sand of the London Clay Formation and, in small part, of the Lambeth Group. The current valley floor is characterised by head deposits.

The Cowplain School (formerly Cowplain Community School, and Cowplain Comprehensive school) is a coeducational secondary school located in Cowplain, Hampshire in the south of England. It has approximately 1060 students and around 60 teaching staff, plus around 35 other staff.

Catherington is a village and former civil parish, now in the parish of Horndean, in the East Hampshire district of Hampshire, England. It is 1 mile (1.8 km) northwest of Horndean. The village is also close to Cowplain and Clanfield. It is situated about 10 miles north of Portsmouth and eight miles south of Petersfield, in the very south of the district of East Hampshire. It has a semi-rural character. Catherington is not a very large village and has an approximate population of 3900 (estimated 1998). The village is a conservation area.

Catherington Down is a 12.8-hectare (32-acre) biological Site of Special Scientific Interest in Catherington in Hampshire. It is also a Local Nature ReserveThis western sloping site is chalk grassland with prominent lynchet strips dating to the Middle Ages. It is managed by grazing and has a variety of chalk herbs, such as pyramidal orchid, round-headed rampion and autumn lady's-tresses. There is also a narrow belt of woodland.There is access by footpaths from Catherington Lane.