Nigeria, Aug. 14 -- The Osun State governorship election is at hand, and tension is mounting across the state as political parties conclude their campaigns for the 15 August poll.

It will be the second off-cycle governorship election in Nigeria this year, after Ekiti State held its own in June.

The contest appears to have taken shape around three contenders, with some parties and political actors giving up their own ambition in support of the leading candidates, particularly the APC's Bola Oyebamiji.

Over the last few weeks, the election has been at the forefront of public discourse across Nigeria, and is likely to draw even more attention as voters go to the polling units.

Here are 20 things to know about the state.

1. Osun State wa...