What is the setting in the opening pages of the novel, A Gambler’s Anatomy?

Berlin is the capital of Germany and the first setting given in the novel. Bruno has arrived their recently after a major backgammon loss in Singapore, and he attempts to set things right by playing against a wealthy Berlin real-estate speculator named Wolf-Dirk Kohler. After Bruno collapses during their game, he is sent to a nearby hospital where the doctors discover that Bruno has a brain tumor. Bruno also meets Madcehn in Berlin, with whom he flirts, exchanges numbers, and seem to form a spontaneous connection.