South Georgia and South Sandwich Islands is about 8,870 times bigger than Holy See (Vatican City).

Holy See (Vatican City) is approximately 0 sq km, while South Georgia and South Sandwich Islands is approximately 3,903 sq km, making South Georgia and South Sandwich Islands 886,945% larger than Holy See (Vatican City).
Tip: This to-scale comparison of Holy See (Vatican City) vs. South Georgia and South Sandwich Islands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: South Georgia and South Sandwich Islands vs. Holy See (Vatican City)