Lviv National University archive of oblast-level physics olympiad problems with solutions.
physics.lnu.edu.ua/linked from 1 source
▮▮▮▮▮▮▮▮▮▮Ukrainian
Olympiad
Ordered by citations from other catalog members, adjusted for level and for the languages this site's readers actually use. The quote under each description is verbatim from the source.
More.