title: E51
text: # E51
  
  E51 may refer to:
  
  * Nokia E51, a Symbian OS smartphone
  * HMS E51, a British E class submarine
  * European route E51, a road connecting Berlin and Nuremberg in Germany
  * Nimzo-Indian Defence, Encyclopaedia of Chess Openings code
  * Higashi-Kantō Expressway, route E51 in Japan
  