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Söllingen is a municipality in the district of Helmstedt, in Lower Saxony, Germany. The Municipality Söllingen includes the villages of Dobbeln, Söllingen and Wobeck. And since 1 November 2016, the former municipalities 
Ingeleben
Ingeleben is a village and former municipality in the district of Helmstedt, in Lower Saxony, Germany. Since 1 November 2016 it has been part of the municipality of Söllingen.
References
Helmstedt (district)
Former municipalities in L ...
and Twieflingen
Twieflingen is a village and a former municipality in the district of Helmstedt, in Lower Saxony, Germany. Since 1 November 2016 it has been part of the municipality of Söllingen.
References
Helmstedt (district)
Former municipalities ...
are part of the municipality Söllingen.
References
Helmstedt (district) {{Helmstedt-geo-stub