I'm currently in Greece, I'm trying to find some Manitoba flour but it seems nobody here have ever even heard the name. And I asked in bakeries and restaurants, too, just to be sure to find it.  What a different "term" for Manitoba could be? I already checked for the translation and even the Greek term is widely unknown; on the other hand I've had people telling me about flour 75%, flour 50%, and so on. So, maybe they just use a different term at all for the Manitoba flour? (I seriously doubt it, but...I can't come up with anything better) 
Old post but in case someone still searching at Greece, I have found Manitoba flour at a store called "To Piperi" at Athens (url is https://www.topiperi.gr/). Call them for more information. I also found yellow flour at 5kgr packages but this isn't something rare anymore... 