Lat/Long: 53.5833, 10.0000
Founded in the Middle Ages, Hamburg was (and remains) an important port city in Northern Germany, connected to the North Sea by the Elbe River. For most of Abraham Lincoln's lifetime, Hamburg was free city and sovereign state of the German Confederation.
K. Baedeker, Northern Germany. Handbook for Travellers, 6th ed. (Leipsic: Karl Baedeker, 1877), 116-17; "Hamburg," Encyclopædia Britannica 11th ed. (New York: Encyclopædia Britannica), 12:871-75.