Its capital was Warsaw, and it was located in the central Masovia.

[3] The Warsaw Capital Voivodeship was established on 1 June 1975, as part of the administrative reform, and was one of the voivodeships (provinces) of the Polish People's Republic.

[6] It existed until 31 December 1998, when it was incorporated into then-established Masovian Voivodeship.

[6] From 1990 to 1998, it was additionally divided into 7 district offices, each composing of the several municipalities.

[7][8] The biggest cities and towns, by the population in 1995, were:[12] The leader of the administrative division was a voivode.