Book Now and Save Fantastic 10%!! With this great special we can offer you 10% discount off our Best Available Rate if you book at least 7 days prior to arrival Warsaw 14 days, Prague 21 days and Ostrava 3 days. Participating hotels: Sales and cancellation policy can vary per hotel and are stated during the booking process. Mamaison All Suites Spa Hotel Pokrovka Moscow. Mamaison Hotel Andrassy Budapest. Mamaison Hotel Riverside Prague. Mamaison Suite Hote Pachtuv Palace Prague. Mamaison Hotel Imperial Ostrava. Mamaison Residence Izabella Budapest. Mamaison Residence Diana Warsaw. Mamaison Residence Sulekova Bratislava. Mamaison Residence Belgicka Prague.