Jombang is a small city in the country call Indonesia. Outstretched between 7.20 and 7.45, 5.20º Southern Latitude – 5.30º Longitude East. Jombang in the lowland location on 44 meters above the sea, landmass of the Jombang regency is 115.950 Ha: 1,159.5 km² and has 21 sub districts with 360 villages. From Surabaya (capital city of East Java) about an hour and half ride southwest direction. Jombang in very strategic location, be intersection between Surabaya-Madiun-Jogjakarta which is call as South Traffic Lane (Jalur Selatan) in Java Island then traffic-lane Surabaya-Tulungagung, and Malang-Tuban.
Jombang Regency is bordered by Lamongan Regency to the north, Kediri Regency to the south, Mojokerto Regency to the East, and Nganjuk Regency to the west.
Brantas River (well known as the biggest river in East Java province) crosses the Jombang regency into two sides; north side (24%) and south side (76%). Others rivers Jombang have is Ring Kanal River (27 km), Marmoyo River (23 km), Konto River (14 km), Gunting River (12 km), and Jurangrejo River (12 km).
