The Kapitan Keling Mosque is the largest and most historically significant mosque in George Town — the spiritual centre of Penang's Tamil Muslim community since the early colonial period. The current structure, built in Mughal style with onion domes and arched colonnades in white and yellow, largely dates to a 19th-century reconstruction, though the site has been in continuous use since the founding of the settlement.
The mosque stands at the junction of Pitt Street (Jalan Masjid Kapitan Keling) and Buckingham Street, in what the British called the "Street of Harmony" — within a short walk of the Goddess of Mercy Temple, Sri Mahamariamman Temple, and St George's Anglican Church. The proximity is less a product of interfaith planning than of the colonial-era practice of assigning different communities to adjacent quarters. Non-Muslims may enter outside of prayer times; dress modestly and remove shoes. The courtyard is large, shaded, and peaceful in the late afternoon.