Things To Do In Istanbul Hagia Sophia Hagia Sophia, Istanbul Overview Unarguably the most spectacular example of Byzantine architecture, Hagia Sophia has been both a cathedral and a mosque. Today, it functions as both a museum and a mosque and is one of Istanbul's biggest attractions. Tourists can access only the second floor, which is not wheelchair accessible. An audio guide is available for 100 TL. It is not included in the Museum Pass. Cover shoulders, arms, and knees. Women should carry scarves. International Travel Service in Vijay Nagar | International Service in Indore | Domestic Tour Service in Indore | Domestic Tour Planner in Indore | Domestic Travel Agents in Indore | Domestic Tour Operator in Vijay Nagar | Singapore VISA Service in Indore | Singapore VISA Service in Vijay Nagar | Malaysia VISA Service in Indore | Malaysia VISA Service in Vijay Nagar | Thailand VISA Service in Indore | Thailand VISA Service in Vijay Nagar | Dubai VISA Service in Indore | Dubai VISA Service in Vijay Nagar | UAE VISA Service in Indore | UAE VISA Service in Vijay Nagar | USA VISA Service in Indore | USA VISA Service in Vijay Nagar | Russia VISA Service in Indore | Russia VISA Service in Vijay Nagar | Europe VISA Service in Indore | Europe VISA Service in Vijay Nagar | China VISA Service in Indore | China VISA Service in Vijay Nagar | Australia VISA Service in Indore | Australia VISA Service in Vijay Nagar | International Air Ticket in Indore |