Barkur (also spelt Barcoor) is an area in the Brahmavara taluk, Udupi district of Karnataka state in India, comprising three villages, Hosala, Hanehalli, and Kachoor.

According to Kerala Muslim tradition, Barkur was home to one of the oldest mosques in Indian subcontinent.

[5][6][7][8] According to Qissat Shakarwati Farmad, the Masjids at Kodungallur, Kollam, Madayi, Barkur, Mangalore, Kasaragod, Kannur, Dharmadam, Panthalayani (Koyilandy), and Chaliyam, were built during the era of Malik Dinar, and they are among the oldest Masjids in Indian Subcontinent.

The stone walls of this temple display beautiful sculptures and it is apparent that this mammoth structure has withstood the ravages of time.

The pillars that surround the circumambulatory path of the temple are decorated with carvings depicting mythological characters.

The original Mahavira idol was destroyed but has been replaced by stone tablets with animal figures that are a later addition.

[2] Katthale Basadi consists of Navranga with Nagkaali, Shiva, Vishnu and Jain deities with separate temples.

It proves the existence of changing kingdoms with various rulers trying to control the city both politically and in terms of religion.