by Michael J. Shapiro | February 20, 2013

 Istanbul, Turkey, currently has 4,228 hotel rooms under construction — the most of any major European market, according to the January 2013 STR Global Construction Pipeline Report. The five other European markets with more than 1,000 rooms under construction are Moscow, with 2,523 rooms; London, with 2,181 rooms; Berlin, with 2,077; Amsterdam, Netherlands, with 1,775 rooms; and Vienna, Austria, with 1,061 rooms. In total, the region's development pipeline consists of 869 hotels, or 145,303 rooms.