Rungholt located in/on physical feature Strand
Location
The exact location of Rungholt remains unclear. It is likely that Rungholt was situated on the island of Strand, which was overwhelmed by the Burchardi Flood of 1634, and of which the islets of Pellworm and Nordstrandischmoor and the Nordstrand peninsula are the only remaining fragments.
One possible location is west of the Hallig Südfall, where in 1921 significant ruins were discovered: wells, trenches and part of a tidal lock. Another theory places Rungholt to the north of the Hallig Südfall.
situated in/on physical feature positioned in/on physical feature found in/on physical feature placed in/on physical feature situated on/at physical feature