The relief is split in approximately equal parts between the mountains, the hills and the plain.

[citation needed] Some of the biggest international corporations like Coca-Cola, Unilever, InBev, Johnson Controls, Cameron, Weatherford, Michelin, Timken and others have invested heavily in the recent years.

The Prahova Valley is one of the areas with the highest tourist potential in the country having one of the best tourism facilities in Romania.

The main tourist destinations are: The Prahova County Council, renewed at the 2020 local elections, consists of 36 counsellors, with the following party composition:[6] Prahova County has 2 municipalities, 12 towns and 90 communes Municipalities Towns Communes Historically, the county was located in the south central part of Greater Romania, in the central part of the historical region of Muntenia.

[9] In 1930, the county's urban population was 105,098 inhabitants, comprising 88.8% Romanians, 3.5% Jews, 1.9% Hungarians, 1.7% Germans, 1.4% Romanies, as well as other minorities.