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Italian submarine Adua was an Adua-class submarine built in the 1930s, serving in the Regia Marina during World War II. She was named after Adwa, a town in northern Ethiopia.

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Italian submarine Alagi was an Adua-class submarine built in 1930s serving in the Regia Marina during World War II. She was named after the Amba Alagi mountain in Ethiopia.

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Italian submarine Aradam was an Adua-class submarine built in the 1930s, serving in the Regia Marina during World War II. She was named after the Amba Aradam mountain in Ethiopia.

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Italian submarine Ascianghi was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after Lake Ashenge in Ethiopia.

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Italian submarine Axum was an Adua-class submarine built in the 1930s, serving in the Regia Marina during World War II. She was named after an ancient city of Axum in Ethiopia.

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Italian submarine Beilul was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a town of Beilul in Eritrea.

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Italian submarine Dagabur was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a town of Dagabur in eastern Ethiopia. The submarine played a minor role in the Spanish Civil War of 1936–1939 supporting the Spanish Nationalists. On August 11, 1942, during World War II, Dagabur was rammed by destroyer HMS Wolverine and sank with all hands.

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Italian submarine Durbo was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a town of Durba in Ethiopia.

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Italian submarine Gondar was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a city of Gondar in northern Ethiopia.

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Italian submarine Lafolè was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a "massacre at Lafolè", an ambush set up by Somalis on November 25, 1896, against a travelling Italian party near a village of Lafolè.

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Italian submarine Macallé was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a town of Mek'ele in Ethiopia.

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Italian submarine Neghelli was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a town of Negele in Ethiopia.

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Italian submarine Scirè was an Adua-class submarine, built in 1930s which served during World War II in the Regia Marina. It was named after a northern region of Ethiopia, at the time part of Italian East Africa.

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Italian submarine Tembien was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a Tembien region of Ethiopia, where Italian troops fought two battles against more numerous Ethiopian troops during the Second Italo-Ethiopian War.

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Italian submarine Uarsciek was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after a village in Somalia which housed a coast guard station during the period of Italian colonial control.

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Italian submarine Uebi Scebeli was an Adua-class submarine built for the Royal Italian Navy during the 1930s. It was named after Shebelle River in Ethiopia.