25th U-boat Flotilla (german: 25. Unterseebootsflottille) was formed in Danzig in April 1940 as a training flotilla responsible for Firing Training. It moved bases several times throughout the war. Between June 1941 and September 1941 it moved to

Drontheim Trondheim ( , , ; sma, Tråante), historically Kaupangen, Nidaros and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2020, it had a population of 205,332, was the third most populous municipality in Norway, and ...

. Then it was shifted to Memel and subsequently to Libau. At the end of 1944 it was shifted again to

Gotenhafen Gdynia ( ; ; german: Gdingen (currently), (1939–1945); csb, Gdiniô, , , ) is a city in northern Poland and a seaport on the Baltic Sea coast. With a population of 243,918, it is the 12th-largest city in Poland and the second-largest in th ...

and then finally in 1945 it moved to

Travemünde Travemünde () is a borough of Lübeck, Germany, located at the mouth of the river Trave in Lübeck Bay. It began life as a fortress built by Henry the Lion, Duke of Saxony, in the 12th century to guard the mouth of the Trave, and the Danes ...

. The Flotilla was originally called 2. Unterseebootsausbildungsflottille until July 1940 when it was renamed 25. Unterseebootsflottille.

Flotilla commanders

*Korvettenkapitän Ernst Hashagen (Apr 1940-Dec 1941) *Korvettenkapitän Karl Jasper (Dec 1941-Aug 1943) *Fregattenkapitän Karl Neitzel (i.V.) (Aug 1943-Dec 1943) *Korvettenkapitän

Robert Gysae Robert Karl Friedrich Gysae (14 January 1911 – 26 April 1989) was a German U-boat commander in the ''Kriegsmarine'' during World War II. He was a recipient of the Knight's Cross of the Iron Cross with Oak Leaves of Nazi Germany. Gysae commanded ...

(Dec 1943-Apr 1945) *Korvettenkapitän Georg-Wilhelm Schulz (Apr 1945-8 May 1945)

References

{{Uboat U-boat flotillas Military units and formations established in 1941 Military units and formations disestablished in 1945