Petrokimia Gresik is a fertilizer company located in Gresik, East Java, Indonesia, which was initially established under the name 'Project of Petrokimia Surabaya'.

Gresik Regency is a regency within East Java Province of Indonesia. As well as a large part of the northern and western suburbs of the city of Surabaya, it includes the offshore Bawean Island, some 125 km to the north of Java and Madura. Almost a third of the Gresik Regency's area is the coastal area; the Districts in this zone are Kebomas District, Gresik District, Manyar District, Bungah District, and Ujungpangkah District.