1. The Octagon is the central plaza of Dunedin, a city located in the South Island of New Zealand. It is named after its shape, which resembles an octagon when viewed from above. The Octagon is surrounded by historic buildings, including the Dunedin Town Hall, the St. Paul’s Cathedral, and the Dunedin Public Art Gallery.

The Octagon is a hub of activity in Dunedin, with numerous cafes, bars, and restaurants lining its streets. It often hosts live music performances, outdoor markets, and various cultural events. The plaza is also home to the iconic statue of Robert Burns, a famous Scottish poet, which was erected in 1887.

The Otago Peninsula, located near Dunedin, is a stunningly beautiful area known for its rich wildlife and picturesque landscapes. It is home to a variety of wildlife, including seals, sea lions, penguins, and various bird species. The Otago Peninsula is a popular spot for nature lovers and offers breathtaking coastal views and opportunities for outdoor activities such as hiking and boating.

2. The Octagon in Dunedin is open 24/7 as it is a public plaza. For specific business operating hours, it is best to contact the individual establishments in the area.

For The Octagon, Dunedin Visitor Centre:

- Phone: +64 3-474 3300

For the Otago Peninsula, there are several visitor centers and wildlife reserves that provide information and assistance to visitors:

- Royal Albatross Centre: Phone: +64 3-478 0499

- Penguin Place: Phone: +64 3-478 0286

- Orokonui Ecosanctuary: Phone: +64 3-482 1755

3. The Octagon in Dunedin is a public space, so there are no tickets required for entry.

As for transportation, Dunedin has a well-connected public transport system that includes buses. The Dunedin i-SITE Visitor Centre, located nearby in Princes Street, can provide information on public transportation options and assist with any other inquiries.