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The existence of macroscopic regions with antibaryon excess in the matter -dominated Universe is a possible consequence of the evolution of baryoncharged, pseudo - Nambu - Goldstone field with lepton number violatingcouplings. Such regions can survive the annihilation with surrounding matteronly in the case if their sizes exceeds the critical surviving size. Theevolution of survived antimatter - regions with high original antibaryondensity inside results in the formation of globular clusters, which is made outfrom antimatter stars. The origin of antimatter regions in the chosen scenariois accompanied the formation of closed domain walls, which can collapse intomassive black holes deposed inside the high density antimatter regions. Thisfact can give us an additional hint, that an anti - stars globular clustercould be one of the collapsed - core star clusters, which populate our galaxy.Comment: 4 pages, Talk given at the CAPP2000 Conference on Cosmology and  Particle Physics 17-28 July 2000, Verbier, Switzerlan

Macroscopically large antimatter regions in the baryon asymmetric universe