Fosdyke is a village and civil parish on the north bank of the River Welland as it enters the The Wash.
The south bank is represented by the Holbeach category in the South Holland district of Lincolnshire.
Fosdyke in the most south eastern parish of the Borough of Boston, separated from the market town by the south eastern stretches of the parishes of Algarkirk and Frampton.
Websites for this area of the fens, east of the A16, may be listed here, including Kirton Marsh and Frampton Marsh.
Since the village of Algarkirk is to the west of the A16, websites for that area may be included in the Sutterton category.