South Georgia and South Sandwich Islands is about 6 times smaller than Israel.

Israel is approximately 21,937 sq km, while South Georgia and South Sandwich Islands is approximately 3,903 sq km, making South Georgia and South Sandwich Islands 17.79% the size of Israel.
Tip: This to-scale comparison of Israel 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. Israel