Sidayu is a sub-district ( id:''kecamatan'') in

Gresik Regency Gresik Regency ( older spelling: Grissee, ) is a regency within East Java Province of Indonesia. As well as a large part of the Surabaya northern and western suburbs, it includes the offshore Bawean Island, some 125 km to the north of Java ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

. The district lays to the north of

Gresik Gresik Regency ( older spelling: Grissee, ) is a regency within East Java Province of Indonesia. As well as a large part of the Surabaya northern and western suburbs, it includes the offshore Bawean Island, some 125 km to the north of Java an ...

. The district has a long history associated with merchants.

References

{{Indonesia-stub Gresik Regency