Bolivar is one of the twenty-three states that, together with the capital district and the federal dependencies, form the Bolivarian Republic of Venezuela. Its capital is Ciudad Bolívar and its most populated city, Ciudad Guayana. It is located in the southeast of the country, in the Guayana region, bounded on the north by Guárico, Anzoátegui state, Monagas and Delta Amacuro, on the east by the claimed territory of Guayana Esequiba, on the south by Brazil through the watershed of the Orinoco basins and Amazonas, to the southwest with Amazonas and to the west with Apure.
With 240 528 km² it is the most extensive State, with 2,069,064 inhabitants in 2018, the sixth most populated -behind Zulia, Miranda, Carabobo, Lara and Aragua- and with 5.8 hab / km², the fourth least densely inhabited, ahead of Apure, Delta Amacuro and Amazonas, the less dense. Its territory is almost entirely located on the Guyanese massif. It has 11 autonomous municipalities and 47 civil parishes. Its main cities are: Ciudad Bolívar, Ciudad Guayana, Upata and Caicara del Orinoco.