From Stamps of the World
Zierikzee is a small city, located on the former island of Schouwen in the Dutch province of Zeeland. It is a part of the municipality of Schouwen-Duiveland, and lies about 26 km southwest of Hellevoetsluis. Zierikzee received city rights in 1248 and was an independent municipality until 1997. The city is connected to the Oosterschelde by a 2 km long canal. In 1953, Zierikzee was damaged by the catastrophic North Sea flood of 1953. The English town of Hatfield sent help and a friendship has developed. The two towns have been twinned.
Read more @ http://en.wikipedia.org/wiki/Zierikzee