Pondicherry is characterized by deep religious harmony, with a Hindu majority alongside significant Christian and Muslim populations, plus a distinct global spiritual community.
- **Hinduism:** The **Manakula Vinayagar Temple**, dedicated to Lord Ganesha, is one of the city's most famous and ancient temples, pre-dating the French occupation. - **Christianity:** French missionaries left a lasting legacy of magnificent churches. The **Basilica of the Sacred Heart of Jesus** (known for its Gothic architecture and stained glass) and the **Immaculate Conception Cathedral** are highly prominent. - **Islam:** The **Jamia Mosque** (Meeran Mosque) in the heritage quarter is the oldest mosque in Pondicherry, showcasing unique Islamic architecture. - **Spiritualism:** The **Sri Aurobindo Ashram** provides an environment for integral yoga and spiritual realization, drawing people across traditional religious lines.