After the war the documents of both Břeclav groups came under the care of the National Security Office in Břeclav. Its legal successor, the District Department of the Ministry of the Interior in Břeclav passed on the fonds to the archive department of the regional administration of the Ministry of the Interior in Brno in 1962, where the fonds was arranged. Today it is kept in the Moravian Provincial Archives in Brno.

http://lod.ehri-project-test.eu/acquisitions/cz-002230-collection_surv_mza_brno_872-eng-collection_surv_mza_brno_872_eng_eng an entity of type: Activity

After the war the documents of both Břeclav groups came under the care of the National Security Office in Břeclav. Its legal successor, the District Department of the Ministry of the Interior in Břeclav passed on the fonds to the archive department of the regional administration of the Ministry of the Interior in Brno in 1962, where the fonds was arranged. Today it is kept in the Moravian Provincial Archives in Brno. 
Acquisition 

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