This is the 13870th most frequent Russian word.
областное
"Областное" means "regional" in English.
The word 'областное' is used here as an adjective describing the type of 'собрание' (meeting) and indicates a relation to a region or administrative area.
Областное собрание состоится в пятницу.
The regional meeting will take place on Friday.
In this sentence, 'областное' modifies 'управление' (administration), referring to an entity operating at the regional level.
Областное управление приняло решение о реформе.
The regional administration decided on a reform.
Here, 'областное' describes 'соревнование' (competition), specifying its scope or the level at which the competition is held.