Ploieşti is the county seat. of Prahova County. It can be found in the historical region of Wallachia in Romania. About 232,500 people were living in Ploieşti as of the year 2002.
These are the sister cities of Ploieşti:
Alba Iulia • Arad • Piteşti • Bacău • Oradea • Bistriţa • Botoșani • Brașov • Brăila • Buzău • Reşiţa • Călăraşi • Cluj-Napoca • Constanța • Sfântu Gheorghe • Târgovişte • Craiova • Galaţi • Giurgiu • Târgu Jiu • Miercurea Ciuc • Deva • Slobozia • Iași • Buftea • Baia Mare • Drobeta-Turnu Severin • Târgu Mureş • Piatra Neamţ • Slatina • Ploiești • Satu Mare • Zalău • Sibiu • Suceava • Alexandria • Timișoara • Tulcea • Vaslui • Râmnicu Vâlcea • Focşani Bucharest (national capital)