Sector 4 is an administrative unit of Bucharest.EconomyRomania had its head office in Sector 4.QuartersGiurgiuluiBerceniOltenițeiTineretuluiVăcăreştiPoliticsDaniel Băluță from the Social Democratic Party is the current mayor, having been elected to the position in 2016. The Local Council of Sector 4 has 27 seats, with the following party composition (as of 2016):