Congressional districts of the Philippines
Congressional districts of the Philippines (Filipino: distritong pangkapulungan) refers to the electoral districts or constituencies in which the country is divided for the purpose of electing 254 of the 318 members of the House of Representatives (with the other 64 being elected through a system of party-list proportional representation). The country is currently divided into 254 congressional districts, also known as legislative districts or representative districts, with each one representing at least 250,000 people or one entire province.
Source: Wikipedia — Congressional districts of the Philippines (CC BY-SA 4.0)