The list of modern streets in Warsaw that start with "Ge" are
Gedymina
Gembarzewskiego
Genewska
Geodetów
Geologiczna
Geranii
Gersona (first name Wojciech, I believe)
http://www.warszawska.waw.pl/ulice-e_j.html
Unfortunately, it is a cold trail.
The word in the parentheses starts with a V, a letter that does not exist in the Polish alphabet. One is tempted to say Varsovie, but I do not see a letter-by-letter correspondence. Perhaps, someone can read it better.
FrankSzmulowicz@...