Baddan-burh

According to the Old English Dictionary:

Baddan-burh

g. -burge; d. -byrig; f. BADBURY, Dorsetshire, formerly Baddanburgum; Baddanburgus in quo castra metatus est Eadweardus Ælfredi fil, An. 901; haud longe a Winburna, in agro Dorsetensi :-- He gewícode æt Baddanbyrig wið Winburnan he encamped at Badbury near Winburn, Chr. 901; Th. 178, 26. baddan-burh