Ostrovok:Russia's mainland The Travel Hotel Booking Platform is an online hotel booking product for the Russian market that uses analytics and machine learning technology to provide users with personalized recommendations based on their booking history and preferences.

Ostrovok was founded in 2010. Founded in 2010, Ostrovok has developed into the largest online hotel booking company in Russia. Currently Ostrovok provides online booking services for over 139,000 hotels worldwide and has signed cooperation agreements with 4,800 hotels directly in Russia and its vicinity.