Frindsbury Extra is a civil parish divided into commercial, suburban residential and rural parts on the Hoo Peninsula in Medway, a ceremonial part of Kent. It is contiguous with the fully urbanised Frindsbury part of Strood and is bounded by Cliffe and Cliffe Woods to the north, Hoo to the east, and the River Medway to the south-east at Upnor and a long, narrow meander of the river in the far south.