Mangaluru serves as the headquarters of Karnataka's Dakshina Kannada district, positioned where the Netravati and Gurupura rivers meet the Arabian Sea. The resulting estuaries, backwaters, and coastline give the city a distinct geography, framed further by the Western Ghats foothills inland.

Its long-standing role as a maritime trade port drew Arab, Portuguese, and European traders over centuries, and this history is visible today in the coexistence of Hindu temples, churches, mosques, and colonial-era buildings across the city — a layering that gives Mangaluru a distinct cultural texture within coastal Karnataka.