Ernakulam is a district of Kerala, India in the central part of that state. Spanning an area of about 3,068 km2, Ernakulam district is home to over 12% of Kerala’s population. Its headquarters is located at Kakkanad, a suburb of Kochi city. Ernakulam is known as the commercial capital of Kerala. The district is famous for its ancient temples, churches, and mosques.

The district includes the largest metropolitan region of the state, Greater Cochin. Ernakulam district is the highest revenue yielding district in the state. It is the third most populous district in Kerala, after Malappuram and Thiruvananthapuram (out of 14). Ernakulam district also hosts the highest number of international and domestic tourists in Kerala state.