Visit the birthplace of modern turkish culture and the first capital of the ottoman state on a day trip from istanbul to the city of bursa visit the green mosque yesil camii and the neighboring green mausoleum yesil turbe both world renowned for their superb tile decoration and head to the 14th century great mosque ulu cami where local muslims worship enjoy lunch at an elegant restaurant and then explore koza han a vast market that was the center of silk trade for many centuries