West Java Province is geographically located between 5º50'- 7º50' South Latitude and 104º 48'- 108º 48' East Longitude, with a land area of 3,710,061.32 hectares. The total population in 2011 reached 46,497,175 people.
Administratively since 2008, regencies and cities in West Java Province totaled 26 regencies / cities consisting of 17 regencies and 9 cities with 625 sub-districts and 5,877 villages / urban villages.
East Java Province is geographically located between 11100 East Longitude – 11404' East Longitude and 70 12' South Latitude – 8048” South Latitude, with an area of 47,963 km2 which includes two main parts. Namely mainland East Java and the Madura Islands. The land area of East Java is 88.70 percent or 42,541 km2, while the Madura Islands have an area of 11.30 percent or 5,422 km2. The total population in 2010 reached 37,476,757 people.
The Secretariat General of the DPR RI is a supporting element of the DPR, which is domiciled as the Institution Secretariat. In the Presidential Regulation of the Republic Indonesia Number 27 of 2015 concerning the Secretariat General and the Expertise Body of the House of Representatives Republic Indonesia (Perpres Number 27 of 2015 concerning the Secretariat General and BK DPR RI) it is stated that the Secretariat General and the Expertise Board of the DPR RI are government officials who in carrying out their duties and functions under and responsible to the leadership of the DPR RI. The Secretariat General is led by the Secretary General and the Expertise Board is led by the Head of the Expertise Board.