Step 1: About the Church of St. Thomas.
The Iglesia de Santo Tomás (Church of St. Thomas) refers to the Santhome Basilica located in Chennai (Madras), Tamil Nadu.
It is believed to be built over the tomb of St. Thomas the Apostle, one of the twelve apostles of Jesus Christ.
Step 2: Historical significance.
This church is one of the only three churches in the world built over the tomb of an apostle (the other two being in Vatican City and Spain).
Step 3: Analysis of options.
- (1) Goa: Known for churches like Basilica of Bom Jesus, not Santo Tomás.
- (2) Pondicherry: Has French colonial churches, not St. Thomas Church.
- (3) Madras: Correct — the Church of St. Thomas (Santhome Basilica) is located here.
- (4) Pune: Not relevant to St. Thomas.
Step 4: Conclusion.
Thus, the Iglesia de Santo Tomás is located in Madras (Chennai).