1. Harvard Square is a historic and lively area in the heart of Cambridge, Massachusetts, located near Harvard University. It is known for its vibrant mix of shops, restaurants, cafes, street performers, and cultural attractions. The square has a unique charm with its mix of historic architecture and modern amenities.

Interesting facts about Harvard Square:

- It has been a center for intellectual and cultural activity since the 17th century.

- The square is home to many bookstores, including the historic Harvard Book Store and the iconic Out of Town News.

- The Harvard Square area is a popular filming location for movies and TV shows.

- The square hosts a variety of events, including concerts, festivals, and art installations.

- Harvard Square is a hub for public transportation, making it easy to access via bus, subway, or train.

2. Working hours and contact information:

The hours of operation for shops and restaurants in Harvard Square vary, but generally, most places are open from around 10 am to 8 pm. Some establishments may have extended hours, especially on weekends.

For specific information or inquiries, you can contact the Harvard Square Business Association at (617) 491-3434 or visit their website at http://www.harvardsquare.com.

3. Ticket information and transportation:

Harvard Square is easily accessible by public transportation, including the MBTA Red Line subway and various bus routes. There are also several parking garages and lots available for those driving to the area.

There is no specific ticket required to enter Harvard Square itself, as it is a public space. However, individual attractions or events within the square may have their own admission fees. It’s best to check with specific businesses or venues for ticket information.