Italy/Switzerland: Lago Maggiore - paulsmit
[ITALY.PIEMONTE 01709] 
'Banqueting hall.'

No, this is no church. You are looking up in the Salone delle Feste, the banqueting hall of Palazzo Borromeo on Isola Bella. The Borromeo family was the wealthiest of the wide region surrounding the Lago Maggiore.