1. Old Goa, also known as Goa Velha, is a historic town located in the state of Goa, India. It served as the capital of Portuguese India from the 16th century until the 18th century. Today, it is a UNESCO World Heritage Site, known for its well-preserved churches and cathedrals that showcase the rich architectural and cultural heritage of the region.

2. The working hours of the various churches and museums in Old Goa may vary, so it is recommended to check the official websites or contact them directly for updated information. Unfortunately, I do not have specific phone numbers available at the moment.

3. Entry fees for the churches and museums in Old Goa may vary. It is best to check the official websites or contact them directly for the most up-to-date ticket information. As for transportation, Old Goa is well-connected by road, and visitors can easily reach the town by bus, taxi, or rental car from other parts of Goa.