Searching for soaring centres in Europe

I will be in Europe for an extended holiday next spring.
I am looking for other centres similar to St.Auban.

I have contacted St.Auban and submitted my resume, but no answer.
Since then I have contacted them several times but no luck.
Also I am in touch with the people that run the British Over Sea's
Nat's in Spain. They do not have a glider I want.
I am open for suggestions in the southern regions in Europe, provided
there are reasonable weather conditions for soaring in May.
If you have any direct experience with a commercial or club operations,
that would rent a gliders
for a week or longer, let me know.
Thanks for any input.
Udo