Padmanabhapuram Palace is a historical palace located in the town of Padmanabhapuram in Kanyakumari district of Tamil Nadu, India. It was the residence of the Travancore Royal Family till the mid-18th century, and is believed to have been constructed around 1601 AD. The palace complex consists of several buildings and structures built in traditional Kerala style of architecture.

The palace is known for its exquisite interiors, intricate woodwork, and beautiful murals. One of the most famous structures in the palace complex is the Padmanabhaswamy Temple, which is dedicated to Lord Vishnu. The temple is believed to have been built in the 14th century AD, and is known for its intricate stone carvings and beautiful frescoes.

Other notable structures within the palace complex include the Queen Mother's Palace, the Council Chamber, and the Natakasala or the Hall of Dance. The palace also features a unique underground passage that connects it to the nearby Vattakottai Fort.

Padmanabhapuram Palace is now a popular tourist attraction and is maintained by the Government of Kerala. Visitors can explore the palace complex and marvel at the intricate details of the architecture, as well as enjoy the serene surroundings of the palace gardens.