1. Port Arthur is a historic site located on the Tasman Peninsula in Tasmania, Australia. It was once a penal colony and prison during the 19th century, but now serves as a popular tourist destination and world heritage site. Visitors can explore the ruins of the convict settlement, take a guided tour, and learn about the history of the site. There are also activities like ghost tours, kayaking, and hiking available at Port Arthur.

Hobart is the capital of Tasmania, Australia and is located on the Derwent River. It is known for its historical buildings, quaint streets, beautiful waterfront, and vibrant food and arts scene. Hobart is also the gateway to many natural wonders such as Mount Wellington, Bruny Island, and Wineglass Bay.

2. Port Arthur is open from 9 am to 5 pm every day of the year except for Christmas Day. The phone number for Port Arthur Historic Site is +61 3 6251 2310. For Hobart, working hours vary depending on the business or attraction. Visitors can check with specific locations for their hours of operation and phone numbers.

3. The entry ticket to Port Arthur Historic Site is AU$45.00 per adult and includes access to the site for two consecutive days. Children under 17 are free. There are buses available from Hobart to Port Arthur, or visitors can drive themselves. For transportation in Hobart, visitors can use public transportation, taxis, or rental cars.