The use of the term ‘oldest’ is a bit risky when talking about temples associated with Sanatana Dharma (Hinduism). Simply because no one has been able to clearly state how old Sanatana Dharma is. Say this temple is the oldest and immediately another person will be come with something much older.
So the safest option is to say that Ma Mundeshwari Temple in Kaimur District of Bihar is one of the oldest Hindu temples in the world.
Apart from Shiva and Shakti, the temple also has idols of other popular gods in the Hindu pantheon including Ganesha, Surya, Vishnu and Mother Goddess.
Interestingly, the present caretaker of the temple is Muslim, yet another example of the religious harmony at the grassroots level in