The Padmanabhaswamy Temple, known for its treasure, is in:

Kollam
Kannur
Thiruvananthapuram
Alappuzha

The correct answer is C) Thiruvananthapuram.

The Padmanabhaswamy Temple is a Hindu temple dedicated to Vishnu, located in Thiruvananthapuram, the capital of Kerala, India. It is one of the most famous temples in India and is known for its wealth and treasure. The temple is believed to have been built in the 8th century AD by the Chera dynasty. It is a major pilgrimage destination for Hindus from all over India.

The temple is built in the Dravidian style of architecture. It has a large number of shrines, including the main shrine of Vishnu, which is located in the inner sanctum. The temple also has a number of other shrines dedicated to other Hindu deities, such as Shiva, Durga, and Lakshmi.

The temple is known for its wealth and treasure. The temple is believed to have a large amount of gold, jewels, and other valuables. The treasure was discovered in 2011 during a renovation of the temple. The treasure is still being evaluated, but it is estimated to be worth billions of dollars.

The Padmanabhaswamy Temple is a popular tourist destination. The temple is open to visitors from all religions. However, visitors are required to dress in a respectful manner.