European Foundation Centre http://www.efc.be/NewsKnowledge/Pages/ForGrantseekers.aspx
(They did lots of work and papers until 2007 and since then, much less. http://www.efc.be/NewsKnowledge/Pages/FoundationsInTheEU/FoundationsintheEU-2001.aspx and http://www.efc.be/NewsKnowledge/Pages/FoundationsInTheEU/ComparativeMapOfFoundationSectorEU.aspx
There is an Annual ERNOP Conference 2011 (08/12/2010) Philanthropy and Civil Society: European and Transnational Perspectives Organised by: European Research Network on Philanthropy (ERNOP), WU Vienna University of Economics and Business
Please also see http://wings-community-foundation-report.com/gsr_2010/gsr_country-profiles/country-profiles.cfm at wings, an international clearinghouse of information on givers.