When we enter final country Spain.That after tacho ask enter region -AN,AR,AST,C,CAT,CL,CM,CV,EXT,G,IB,IC,LR,M,MU,NA,PV.Where and how can found map of this region.Barcelona it is Cat?MU -Murcia?
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If you mean which Spanish region is Barcelona in it’s in the region of Catalonia (Cataluna) = “Cat” region on the tachograph.
en.wikipedia.org/wiki/Provinces_of_Spain
(I’ve moved this to the PDF where you’re more likely to get help on this topic 
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As tachograph says, Barcelona is in the province of Catalon (spanish) Catalonia. MU is indeed Murcia…