Hildesheim District Coat of arms Country Germany State Lower Saxony Capital Hildesheim Area • Total 1,206 km2 (466 sq mi) Population (31 December 2015)[1] • Total 277,055 • Density 230/km2 (590/sq mi) Time zone CET (UTC+1) • Summer (DST) CEST (UTC+2) Vehicle registration HI Website www.landkreishildesheim.de