Apulia is one of the 29 constituencies (Italian: circoscrizioni) represented in the Chamber of Deputies, the lower house of the Italian parliament. The constituency currently elects 43 deputies, being the second largest after Emilia-Romagna. Its boundaries correspond to those of the Italian region of Apulia. The electoral system uses a parallel voting system, which act as a mixed system, with 37% of seats allocated using a first-past-the-post electoral system and 61% using a proportional method, with one round of voting.