Bolsover (frequently colloquialised as "Boza") is a small town near Chesterfield, Derbyshire, England. It is 145 miles (233 km) from London, 18 miles (29 km) from Sheffield, 26 miles (42 km) from Nottingham and 54 miles (87 km) from Manchester. It is the main town in the Bolsover district.
The civil parish for the town is called Old Bolsover. It includes the town and the New Bolsover model village, along with Carr Vale, Shuttlewood, Stanfree, Oxcroft and Whaley. Its population at the 2011 UK Census was 11,673.
Bolsover, along with several nearby villages, falls within the Sheffield City Region.