1. Old Goa, also known as Goa Velha, is a historical city located in the Indian state of Goa. It served as the capital of Goa during the Portuguese rule from the 16th to the 18th century. The city is now a UNESCO World Heritage Site, known for its well-preserved churches, convents, and colonial architecture.

Some interesting facts about Old Goa include:

- It was once considered the \"Rome of the East\" due to its grand churches and religious importance.

- The Basilica of Bom Jesus, a famous church in Old Goa, houses the mortal remains of St. Francis Xavier.

- The Se Cathedral in Old Goa is one of the largest churches in Asia and is dedicated to St. Catherine of Alexandria.

- Old Goa was once a bustling city with a population larger than that of Lisbon or London.

2. The working times of the churches and attractions in Old Goa may vary, but generally, they are open to visitors from morning until evening. It is advisable to check the specific timings of each site before visiting. Contact information for individual attractions can be found online or through local tourism offices.

3. Entrance fees to the churches and attractions in Old Goa may vary, with some sites offering free entry while others may charge a nominal fee. Transportation options to Old Goa include buses, taxis, and rental cars. It is easily accessible from the city of Panaji and other parts of Goa.