[3] The district consists of the southern Batangas municipalities of Bauan, Lobo, Mabini, San Luis, San Pascual and Tingloy.

It is currently represented in the 19th Congress by Gerville Luistro of Lakas-CMD.

[4] Prior to its second dissolution in 1972, the second district encompassed the provincial capital city, Batangas City, and the southern Batangas municipalities of Alitagtag, Bauan, Cuenca, Ibaan, Lobo, Mabini, San Juan, San Pascual, Taysan, and Tingloy.

[5] Lobo and San Juan, previously from the third district, became part of the second district beginning in 1928, joining other municipalities (including the pre-cityhood Batangas) that were part of the district since its creation in 1907.

[6] Following the restoration of the Congress in 1987, it was reconfigured to encompass Batangas City and southern Batangas municipalities of Bauan, Lobo, Mabini, San Luis (previously from the first district), San Pascual and Tingloy.