Holzminden District Coat of arms Country Germany State Lower Saxony Capital Holzminden Area • Total 692 km2 (267 sq mi) Population (31 December 2015)[1] • Total 71,659 • Density 100/km2 (270/sq mi) Time zone CET (UTC+1) • Summer (DST) CEST (UTC+2) Vehicle registration HOL Website landkreis-holzminden.de