1. Shanghai Old City, also known as Nanshi, is the oldest area of Shanghai and is located in the Huangpu District. It is a bustling labyrinth of narrow streets and traditional buildings that offer a glimpse into the historical and cultural heritage of the city.

Some interesting facts about Shanghai Old City include:

- It was originally a walled city during the Ming Dynasty and was an important center of commerce and trade.

- The area is characterized by its traditional Shikumen houses, which blend Chinese and Western architectural styles.

- Shanghai Old City is home to several famous landmarks such as the Yuyuan Garden, City God Temple, and the Shanghai Old Street.

- The area is known for its vibrant markets, street food stalls, and traditional Chinese medicine shops.

- It is a popular tourist destination and attracts both locals and visitors alike who come to experience the charm and history of old Shanghai.

2. The working time of individual attractions within Shanghai Old City may vary. However, typically, the Yuyuan Garden is open from 8:30 AM to 5:30 PM, while the City God Temple is open from 9:00 AM to 4:00 PM. The Shanghai Old Street has no specific opening hours and is accessible throughout the day.

For specific information regarding attractions within Shanghai Old City, it is advisable to refer to their respective official websites or contact them directly for updated information. Unfortunately, contact phone numbers are not readily available.

3. Admission fees may apply for certain attractions within Shanghai Old City. As of this writing, the following ticket information is available:

- Yuyuan Garden: The entrance fee is approximately 40 CNY for adults and 20 CNY for children.

- City God Temple: There is no entrance fee for the temple.

- Shanghai Old Street: There is no entrance fee for the street, and visitors are free to explore the shops and stalls.

Transportation to Shanghai Old City is readily available. Visitors can take the Shanghai Metro to the Yuyuan Garden Station (Line 10) and walk to the Old City. Taxis and buses are also convenient modes of transportation to reach the area.