At the higher administrative level, Belarus is divided into 6 voblasts and one municipality (horad, i.e., "city"); the latter one is a special status of the capital of Belarus.
Voblast (вобласць in modern Belarusian or vobłaść in Lacinka) is the major administrative subdivision in Belarus. It used to be translated as "province" or "region" in English. The latter may lead to some confusion, because the minor administrative division of Belarus is called rayon (the word is translated as "district" in the administrative division sense and "region" in other senses).
(Note: Administrative centers are named in parentheses.)
The current subdivision into voblasts is inherited from the subdivision of Belarus when it was part of the USSR, and the name is the Belarusian word for the Russian oblast.
Voblasts (and cities) are further subdivided into raions (usually translated as districts).
Voblast (вобласць/вобласьць in modern Belarusian or vobłaść in Lacinka) is the major administrative subdivision in Belarus (see also "Oblast" article).
The recommended translation is the former one, because the latter may lead to confusion, since the minor administrative division of Belarus is called rajon (the word is translated as "district" in the administrative division sense and "region" in other senses) and the Belarusian word "рэгіён" is also translated as "region".
Voblasts (and cities) are further subdivided into raions (usually translated as districts).