Gambetta is a station of the Paris Métro. It serves Line 3 and is the southern terminus of Line 3bis. Its located in the 20th arrondissement of Paris.
Wikipedia https://en.wikipedia.org/wiki/Gambetta_(Paris_Métro)
Address 79 Avenue Gambetta, Paris 75020, France
Coordinates 48°51'53.758" N 2°23'52.995" E