Chelmsford is a city in Essex, England, known as the birthplace of radio. The city features attractions like Hylands House and Estate, Chelmsford Cathedral, and the Essex Regiment Museum. Chelmsford is famous for being the site of Guglielmo Marconi's first wireless factory and hosts the annual V Festival, one of the UK's largest music festivals. The city is also home to Anglia Ruskin University and has a thriving business park.