Lincolnshire (/ˈlɪŋkənʃər/ or /ˈlɪŋkənʃɪər/; abbreviated Lincs) is a historical county in the east of England. It borders Norfolk to the south east, Cambridgeshire to the south, Rutland to the south west, Leicestershire and Nottinghamshire to the west, South Yorkshire to the northwest, and the East Riding of Yorkshire to the north. It also borders Northamptonshire in the south for just 20 yards (18 m), England's shortest county boundary. The county town is Lincoln, where the county council has its headquarters.