South Georgia and South Sandwich Islands is about 7 times smaller than Macedonia.

Macedonia is approximately 25,713 sq km, while South Georgia and South Sandwich Islands is approximately 3,903 sq km, making South Georgia and South Sandwich Islands 15.18% the size of Macedonia.
Tip: This to-scale comparison of Macedonia 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. Macedonia