1. Sultanahmet District is a historical district located at the heart of Istanbul, Turkey. It is home to some of the city’s most famous landmarks, including the Hagia Sophia, the Blue Mosque, and the Topkapi Palace. The district was once the center of the Byzantine and Ottoman Empires and has a rich history that dates back over 2000 years. It is a UNESCO World Heritage Site and attracts millions of tourists every year.

2. Most of the attractions in Sultanahmet are open from 9:00 am to 5:00 pm, seven days a week. However, it is important to check the opening hours of specific sites before planning a visit, as they may vary depending on the season. Phone numbers for individual attractions can be found on their official websites.

3. Sultanahmet is easily accessible by public transportation, including buses, trams, and ferries. Tickets for public transportation can be purchased at vending machines located at each station, or from the driver on the bus. It is also possible to purchase Istanbulkart, a rechargeable transportation card that offers discounted fares for regular users. Some attractions in Sultanahmet require a ticket for entry, which can be purchased on-site or online in advance. Prices vary depending on the attraction and type of ticket.