Prahova (IPA: ['pra.ho.va]) is a county (judeţ) of Romania, in the historical region Muntenia, with the capital city at Ploieşti.

Demographics
This county has a total area of 4,716 km².
The relief is split in approximately equal parts between the mountains, the hills and the plain. In the North side there are mountains from the southern end of the Eastern Carpathians - the Curved Carpathians group; and the Bucegi Mountains the Eastern end of the Southern Carpathians group. The two groups are separated by the Prahova River Valley.
The South side of the county is a plain, on the North West side of the Romanian Plain.
The main river is the river that names the county - the Prahova River. It flows from the mountains, through the Prahova Valley collecting many other rivers - the Doftana River, the Teleajen River and others.

Geography

Buzău County in the East.
Dâmboviţa County in the West.
Braşov County in the North.
Ialomiţa County and Ilfov County in the South. Neighbours
The area contains the main oil reserves in Romania having a long tradition in extracting and refining the oil. The county is heavily industrialised, more than 115,000 people being involved in an industrial activity. It realises over 8% of the country's industrial production. Some of the biggest international corporations like Coca Cola, Unilever, Interbrew, Michelin, Timken and others have invested heavily in the recent years.
The predominant industries in the county are:
Agriculture is also developed - in the southern part mainly extensive agriculture and the hills area is well suited for wines and fruit orchards. In total it realises about 3% of the country's agricultural production.

Oil industry - almost 50% of the county's industrial production.
Oil extracting equipment.
Chemical industry.
Rubber industry.
Mechanical components industry.
Food and beverages industry.
Textile industry. Tourism
The county has 2 municipalities, 12 towns and 89 communes.

Administrative divisions

Ploieşti - capital city; population: 253,068
Câmpina Municipalities

Azuga
Băicoi
Boldeşti-Scăeni
Breaza
Buşteni
Comarnic
Mizil
Plopeni
Sinaia
Slǎnic
Urlaţi
Vălenii de Munte Communes

Prahova River
Prahova Valley