Arboretum is a residential area of the City of Nottingham in the county of Nottinghamshire, England. The arboretum from which the neighbourhood takes its name was the first designated public park in Nottingham selected under the authority of the Inclosure Act 1845. Samuel Curtis oversaw the design of the park at a cost of £6,554. 7s. 10d.. On 11 May 1852, the park was officially opened in the presence of approximately 15,000 people.