1952 disestablished the five states and established 14 Bezirke (districts), named per their capital cities: (i) Rostock , (ii) Neubrandenburg , (iii) Schwerin , (iv) Potsdam , (v) Frankfurt (Oder) , (vi) Magdeburg , (vii) Cottbus , (viii) Halle , (ix) Leipzig , (x) Erfurt , (xi) Dresden , (xii) Karl-Marx-Stadt