Holsworthy is a little English market community and civil church in the city government district of Torridge, Devon. The county town of Exeter is 36.4 miles (58.6 km) to the east. The River Deer, a tributary of the River Tamar, forms the western border of the parish, that includes the town of Brandis Corner. According to the 2011 census the population of Holsworthy was 2,641. Holsworthy is in the East of the Torridge area of Devon. Neighbouring churches are, to the West, Pyworthy, and Holsworthy Hamlets in other instructions. Holsworthy is 189.5 miles (305.0 kilometres) WSW of London and also 36.4 miles (58.6 kilometres) WNW of the county town of Exeter. The town is on the crossway of the A388 as well as A3072 roads. The community centre has to do with 140 metres (460 ft) over sea level and the acme in the church has an elevation of 144 metres (472 feet). The river Deer, a tributary of the river Tamar, creates the western boundary of the church. The bedrock geology of the church is totally of Bude Formation. This kind of Sedimentary bedrock was formed in the Carboniferous duration. All of the parish is of Bude Development (sandstone) except for a strip of Bude Development (mudstone as well as siltstone), about 1,600 feet (490 m) wide, across the extreme north of the parish. The Bude Development forms part of the Holsworthy Group.