Karlsruhe, Graudenz and Pillau class light cruisers

The two Karlsruhe class light cruisers were longer, heavier version of the previous Magdeburg class, carrying the same armour and armament, but with an increase in loaded weight of 600 tons
The Graudenz class of light cruisers were enlarged version of the Magdeburg class, built under the 1911 naval construction programme.
The two Pillau class light cruisers had been ordered from Germany by the Russian Navy in 1912 but were siezed at the outbreak of the First World War