Warsaw Plaza Hotel Laczyny Str. 5, 02-820 Warszawa phone +48 22 431 08 00 fax +48 22 431 08 01 e-mail: wph@warsawplazahotel.pl Reservations phone +48 22 431 08 11 phone +48 22 431 08 12 email: rezerwacja@warsawplazahotel.pl Sales department phone +48 885 886 100 phone +48 885 886 900 email: mice@warsawplazahotel.pl Marketing phone +48 885 886 104 email: marketing@warsawplazahotel.pl Accounting Phone +48 885 886 104 e-mail: ksiegowosc@warsawplazahotel.pl