Kozhikode, the Zamorins' old capital whose four taluks took effect

Kozhikode district was the capital of the erstwhile kingdom of the mighty Zamorins and once a renowned commercial center.
The city of Calicut, the Anglicized form of Kozhikode, is the headquarters of the district.
The district is 38.25% urban and is bordered by Kannur district to the North, Wayanad to the East and Malappuram to the South, with the Arabian Sea to the West.
It is situated between latitudes 11 degrees 08 minutes N and 11 degrees 50 minutes N and longitudes 75 degrees 30 minutes E and 76 degrees 8 minutes E.
The division of the district into 4 Taluks came into effect in 2001: Kozhikode, Vadakara, Koyilandy and Thamarassery.
As per the census of 2011, 12 block panchayats make up the district, namely Balusseri, Chelannur, Koduvally, Kozhikode, Kunnamangalam, Kunnummal, Melady, Panthalayani, Perambra, Thodannur, Thuneri and Vadakara.

Headquarters: The city of Calicut Taluks: 4, in effect from 2001: Kozhikode, Vadakara, Koyilandy, Thamarassery Block panchayats: 12 Urban share: 38.25% urban
Why it matters for exams: The taluks and block panchayats of each district, and Kozhikode's link to the Zamorins, are routine Kerala PSC items.
Kerala PSC

In plain words

Zamorin Samoothiri of Kozhikode — The ruler of the medieval kingdom whose capital was Kozhikode.

Block panchayat Block panchayat — The middle tier of rural local government between the grama panchayat and the district panchayat.