Oadby is a town in the borough of Oadby and Wigston in Leicestershire, England. Oadby is a district centre 4 miles south-east of Leicester on the A6 road. Leicester Racecourse is situated on the border between Oadby and Stoneygate. The University of Leicester Botanical Garden is in Oadby. Oadby had a population of 23,849 in 2011, and like its neighbour Wigston is made up of five wards. The Borough of Oadby and Wigston is twinned with Maromme in France, and Norderstedt in Germany.