WordNet (r) 3.0 (2006):

Jena
    n 1: the battle in 1806 in which Napoleon decisively defeated
         the Prussians [syn: Jena, Battle of Jena]

U.S. Gazetteer Places (2000):

Jena, LA -- U.S. town in Louisiana
   Population (2000):    2971
   Housing Units (2000): 1264
   Land area (2000):     5.375160 sq. miles (13.921599 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    5.375160 sq. miles (13.921599 sq. km)
   FIPS code:            38285
   Located within:       Louisiana (LA), FIPS 22
   Location:             31.689993 N, 92.124781 W
   ZIP Codes (1990):     71342
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Jena, LA
    Jena