1. Douro is a beautiful region located in the northern part of Portugal. It is known for its scenic landscapes, vineyards, and rich cultural heritage. Some interesting facts about Douro include:

- The Douro River, which flows through the region, is one of the major rivers in the Iberian Peninsula.

- Douro is one of the oldest wine regions in the world, dating back to the Roman era.

- The region is known for producing high-quality wines, including Port wine, which is famous all over the world.

- Douro is home to several charming towns and villages, including Pinhão, Peso da Régua, and Sabrosa.

- The region has a rich history and cultural heritage, with several ancient monuments, museums, and art galleries.

2. The working time and phone numbers of attractions and businesses in Douro may vary. It is recommended to check their official websites or contact them directly for up-to-date information.

3. Ticket info and transportation options in Douro also vary depending on the attraction or location. Some popular transportation options include trains, buses, and private tours. It is recommended to check the official websites or contact the service providers directly for information on ticketing and transportation options.