Just looked up Oflag IX A/H.
List of prisoner-of-war camps in Germany - Wikipedia, the free encyclopedia
It was at Spangenberg so this is castle that article refers to.
Spangenberg - Wikipedia, the free encyclopedia 
Just found this book on Oflag XI A/H
ADAMS, D.Guy (editor).; BACKWATER. Oflag IX A/H Lower Camp.
Wonder if mentions cricket?
Photo of some of the chap there, top right of this photo.
http://www.wwiimemories.com/journal3/aa3P12.jpg
Major-General Fortune was there it says!
Remeber my famous Then & Now of him being taken prisoner at St Valery?
My friends were taking micky out of me this weekend about that photo!
My poor kids they were saying.
Another view of life at Oflag IX A/H here.
Lots and lots of activities going on there.
BBC - WW2 People's War - Oflag IXA Spangenberg to 1945