interesting - in 2010Q2 the number of starwood's franchised luxury collection in europe/middle east/africa went up 1 hotel and 110 rooms, and 110 room schloss fuschl rejoined luxury collection

so seems not managed by starwood directly, but seems starwood may manage indirectly
http://www.sug-munich.com/en/business-units/hotels.html
"Starwood performs the operative management work for the bulk of the establishments belonging to the Arabella Hospitality"