Old Goa, or Velha Goa, is a historical city that served as the capital of Portuguese India from the 16th to the 18th centuries. Today, it's renowned for its well-preserved churches, convents, and monuments, which reflect the city's rich history and the architectural prowess of the time. The Basilica of Bom Jesus, which holds the remains of St. Francis Xavier, is a notable example and a UNESCO World Heritage Site. This area stands as a testament to the cultural and religious legacy of the region, attracting historians and tourists alike.