Bojonegoro Regency (Indonesian: Kabupaten Bojonegoro, older spelling is Kabupaten Bodjanegara, Javanese: ꦑꦧꦸꦥꦠꦺꦤ꧀ꦨꦗꦤꦼꦒꦫ, romanized: Kabupatèn Bojånegårå) is a regency in East Java Province of Indonesia, about 110 km west of Surabaya and 73 km northeast of Ngawi.

Previously known as a major producer of teak and tobacco, Bojonegoro is a focus of attention in Indonesia as a new oil field has been found in this area.

The water level of the Solo River rose due to heavy rain, especially in the upper valley in Central Java, forcing the Gajah Mungkur Dam to be opened.

lists over twenty ferry crossings on the lower stretch of the Solo River, downstream from Bojonegoro.

The modern regency (kabupaten) was founded on October 20, 1677, with Mas Toemapel as the first regent (bupati), with its capital in Jipang village (currently around Padangan District in the westernmost part of Bojonegoro).

The resident acted as an advisor and supervisor to the regents, positions which were held by native Javanese nobility (priyayi).

In 1894, the trans-Java railroad, which linked Batavia and Surabaya and passed through Bojonegoro, was finished, increasing transportation and improving the teak industry.

Since the Indonesian National Revolution, Bojonegoro regency has been administered as part of East Java province, with R.M.T.

The major population centre is Bojonegoro town, located on the southern bank of the Bengawan Solo River.

The racial makeup of this regency is mainly Javanese, with a minority of Chinese, Madurese, Balinese, Batak people, and other Indonesian ethnic groups.

Bojonegoro is one of the biggest producers of tobacco in Indonesia, with a total value of Rp1.2 trillion (around US$100 million) and employing 57 percent of the workforce.

There is an annual Bojonegoro Teak Fair in late January to early February where local craftsmen display their products.

The regional police reported impounding 550 large trucks of stolen timber, approximately 2,000 m3, with an estimated local market value of US$1,000,000.

Several riots have happened when tension arose from teak claims and when police tried to enforce the law on local thieves.

However, after that situation calmed, enforcement became better, but illegal logging is still a significant problem, with police and bureaucratic officials often accused of cooperating with timber thieves.

Pertamina and ExxonMobil concluded a 30-year production-sharing contract in which each company would share 45 percent interest in the block.

[14] Foreign companies, mainly from China, have started to invest in Bojonegoro in various projects related to the planned exploration and exploitation of the Cepu Block oil fields with a total value of US$8 million.

[15] According to the former minister and ambassador to the United States, Dorodjatun Kuntjoro-Jakti, Tuban and Bojonegoro would resemble Texas, because of its gas and oil resources.

Some Regional Representatives Council (Dewan Perwakilan Rakyat, DPD) members grouped in the People's Front for the Salvation of the Cepu Block (GRPBC) have called for the cancellation of the joint operation agreement between the government and ExxonMobil on the Cepu Block oil fields.

They demand it is canceled because the agreement had been signed "in an atmosphere rife with suspected corruption, collusion and nepotism, and based on a public lie" and will make the Indonesian government lose US$1.32 billion of revenue.

Since the exploration of the Sukowati oil well in an area measuring five hectares in July 2005, the village's land has become drier and harvest significantly reduced.

[20] There is also concern that income distribution inequality could cause social unrest when compounded with the Indonesian notorious reputation of corruption.

[21] Bojonegoro regency is served by extensive intercity bus services (stopping and express) offering routes to neighbouring regencies, Surabaya, Malang, Denpasar, Bandung, and Greater Jakarta, usually starting and terminating at Rajekwesi bus station in the eastern part of Bojonegoro district.

In the mid-1930s, a player from Batavia, Oei Kok Tjoan, visited cities in East Java on some occasions, raising the popularity of badminton.

The game began to penetrate small towns such as Tuban, Bojonegoro, Malang, and Jember and became one of the most popular sports in Java.

Rina Dewi Puspitasari[29] and I Gusti Nyoman Puruhito Praditya[29] have competed in national and international archery competitions, including the 2004 Summer Olympics.

Rather than rising in a violent uprising, Samin taught peaceful resistance, such as refusing to pay taxes to the colonial authority and continuing to take teak from the forest as they had for generations.

Samin people reside in the southwestern part of Bojonegoro (in the heart of its teak forest) and in Blora Regency, Central Java.