Courses - ESONR 
The Estrel Hotel Berlin
Address: Sonnenallee 225, 12057 Berlin, Germany
Phone: +49 30 6831 0
The Estrel Hotel on Sonnenallee in the Berlin district of Neukölln is Germany's largest hotel with 1125 rooms ; it is Europe's largest hotel, congress and entertainment center.
The hotel is located southeast of the city center in the Neukölln district on the edge of an industrial park in the immediate vicinity of the Sonnenallee S-Bahn station.