Travancore–Cochin, officially the United State of Travancore and Cochin and later the State of Travancore–Cochin, was a short-lived state of India. It was formed through the merger of two former kingdoms, Travancore and Cochin on 1 July 1949. Its original capital was Thiruvananthapuram.

Malabar District, also known as Malayalam District, was an administrative district on the southwestern Malabar Coast of Bombay Presidency (1792–1800), Madras Presidency (1800–1937), Madras Province (1937–1950) and finally, Madras State (1950–1956) in India. It was the most populous and the third-largest district in the erstwhile Madras State. The historic town of Calicut was the admisnitrative headquarters of this district.