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In page Angles (tribe):

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The Angles were one of the main Germanic peoples who settled in Great Britain in the post-Roman period.[2] They founded several kingdoms of the Heptarchy in Anglo-Saxon England. Their name, which probably derives from the Angeln peninsula, is the root of the name England ("Engla land"[3] or "Ængla land"[citation needed]), as well as ultimately the word English for its people and language. According to Tacitus, writing around 100 AD, a people known as Angles (Anglii) lived beyond (apparently northeast of) the Lombards and Semnones, who lived near the River Elbe.[4]