Ettlingen and its surrounding villages and land continue to be part of this district .
Ettlingen remained an independent town until 1937 , when it was incorporated into the administrative unit that would become the district of Karlsruhe in 1939 .
Ettlingen and Ettlingen 's surrounding villages and land continue to be part of this district .
Ettlingen remained an independent town until 1937 , when it was incorporated into the administrative unit that would become the district of Karlsruhe in 1939 .