Proper noun
Ingria
A region to the south of Karelia in what is now Russia.
At this point, in 1707, Peter offered to retrocede everything he had so far occupied (essentially Ingria) except Saint Petersburg and the line of the Neva, to avoid a full-scale war, but Charles XII refused. Source: Internet
Taagepera (2013), p. 144 Soviet authorities did not allow the 55,733 people who had been handed over to settle back in Ingria, and instead deported them to central regions of Russia. Source: Internet