According to Nielsen Media Research 2010, Jawa Pos is Indonesia’s number one newspaper in terms of readership. In greater Surabaya in 2009, where the newspaper is based, Jawa Pos’ market share reaches an unmatched domination of 93,5 percent. The newspaper is also dominant and/or very strong in East Java, Central Java, Jogjakarta, and Bali, plus many other regions outside Java.