Taiwan is about 9 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Taiwan is approximately 35,980 sq km, making Taiwan 822% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Taiwan uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Taiwan vs. South Georgia and South Sandwich Islands