Residency Requirement: up to 3 days in some regions
Necessary Documents: Valid passport; birth certificate; documentation showing present marital status, such as copies of last U.S. tax returns; if divorced, must submit a legally binding divorce decree
Note: It could take up to 2 weeks to process marriage license application in Denmark, so the Copenhagen Marriage Office recommends planning to stay in Denmark for at least 3 weeks.
For More Info: Contact the marriage office of the region where you’ll be marrying, or visit http://www.usembassy.dk/ACS/LivingInDenmark/GettingMarried.htm