Burley Castle, more commonly called Alstoe, was to the north of the village of Burley, two miles north-east of Oakham in the county of Rutland, . Alstoe was the name of a hundred.*Fry, Plantagenet Somerset, The David & Charles Book of Castles, David & Charles, 1980.

It was originally used as a Saxon moot (c.7th century-11th century).Allcroft, A.H (1908). Earthworks of England. London There is doubtful evidence of a small motte and bailey castle of the late 11th or early 12th century (between 1086 and 1153). Only earthworks remain.Early Castles in the Medieval Landscape of Rutland Oliver Creighton; p26-8

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