Roskilde is the major city in Roskilde metropolis, Denmark on the land mass of Zealand. It is a prehistoric city, dating from the Viking epoch According to Adam of Bremen and Saxo Grammaticus, in the 980s; Harald I of Denmark built a church and a royal estate in Roskilde. Saxo. Grammaticus acquaintances the name Roskilde with the legendary King Roar who possibly lived there in the 6th century.Harald was obscured at the church which is on the same site as today's Roskilde Cathedral.
- Country: Denmark
- Province: Scania (Skåne)
- Location: 55°39′ North 12°05′ East
- Status: main city in Roskilde Municipality
- Area: 891 km²
- Population: 45,824 (2008)
- Language: Danish language
- Currency: Danish Krone
- Time zone: CET (UTC+1), summer (DST) CEST (UTC+2)
- Country Dialing Code: + 45
- Telephone area code: 00 45
- Climate:
