Potter Heigham is a village on the River Thurne, and is in the Norfolk Broads.
Sonning's is a boatbuilding firm at Potter Heigham.
Rose a daughter of Mr Duck lives at Potter Heigham.
Bob Curten a member of The Coot Club lives in Potter Heigham.
Dorothea sends a card to her mother from Potter Heigham, and writes This is our first port of call, like Malta was when you and father went to Egypt (CC13).