Ribnik, Šipovo, Jezero, Petrovac, East Drvar, and Kupres (RS). There are five police stations. Police Administration Gradiška Police Administration Gradiška (Serbian: Полицијска управа Градишка, Policijska uprava Gradiška, short ПУ ГР, PU GR) was formed in 2017 in the Gradiška region. It contains two municipalities: City of Gradiška and Srbac. There are four police stations. Police Administration Doboj Police Administration Doboj (Serbian: Полицијска управа Добој, Policijska uprava Doboj, short ПУ ДО, PU DO) is located in the Doboj region. Othern than Šamac, it administers for the City of Doboj and the Stanari, Teslić, Petrovo, Derventa, Modriča, Vukosavlje, and Brod municipalities. There are nine police stations. Police Administration Bijeljina Police Administration Bijeljina (Serbian: Полицијска управа Бијељина, Policijska uprava Bijeljina, short ПУ БН, PU BN) oversees Bijeljina, Ugljevik, Lopare, Šamac, Donji Žabar, and Pelagićevo. It has eight police stations. Police Administration Zvornik Police Administration Zvornik (Serbian: Полицијска управа Зворник, Policijska uprava Zvornik, short ПУ ЗВ, PU ZV) is located in the Zvornik region. It oversees Zvornik, Osmaci, Šekovići, Vlasenica, Milići, Srebrenica, and Bratunac. There are nine police stations. Police Administration Istočno Sarajevo Police Administration Istočno Sarajevo (Serbian: Полицијска управа Источно Сарајево, Policijska uprava Istočno Sarajevo, short ПУ ИС, PU IS) administers the Istočno Sarajevo and municipalities Rogatica and Han Pijesak. There are nine police stations. Police Administration Foča Police Administration Foča (Serbian: Полицијска управа Фоча, Policijska uprava Foča, short ПУ ФО, PU FO) was formed in 2017 in the Foča region, and administers Foča, Čajniče, Novo Goražde, Višegrad, Rudo, and Kalinovik). It has seven police stations. Police Administration Trebinje Police Administration Trebinje (Serbian: Полицијска управа Требиње, Policijska uprava Trebinje, short ПУ ТБ, PU TB) is located to the south of Republika Srpska and has seven police stations. It oversees Trebinje, Ljubinje, Berkovići, East Mostar, Nevesinje, Gacko, and Bileća. Crime Police Administration Crime Police Administration (Serbian: Управа криминалистичке полиције, Uprava kriminalističke policije) is an administration whose duties include processing most complex crimes; controlling, supervising, and directing activities of all organizational parts and support units of crime police; detecting criminal offences; fighting narcotics producing and trafficking; suggesting and determining deadlines of police administration obligations; monitoring, studying and analyzing situations, crime activity, forensic techinques, crime-intelligence analyses, and special operative duties; finding and arresting criminal offenders; providing criminal evidence; publishing arrest warrants and sub-law documents; cooperating with other state organizations; and acting on relevant information by security intelligence services. The administration has two units: General Crime Unit