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Altona port (port code: DEALT) is a major European inland port, situated in the suburb of Hamburg, Germany. It became part of Prussia (Germany) in 1864 and absorbed into Hamburg in 1937. Before that it had been part of Denmark. During its widest reach the Danish crown ruled a vast area from Altona to North Cape to Iceland.
The port is the second biggest harbour for Denmark after Copenhagen and an important port for Danish trade.