sentences:  Gondar was the main town of Amhara in the mountains north of Lake Tana in Ethiopia, at an elevation of and had an Italian garrison of 40,000 men, commanded by "Generale" Guglielmo Nasi.After the defeat of the Italians at the Battle of Keren (1 April 1941), many of the remaining Italians withdrew to the strongholds of Amba Alagi, Jimma and Gondar.Amba Alagi fell in May and Jimma fell in July.