Hong Kong is about 13 times bigger than The Hague (Den Haag).

The Hague (Den Haag) (excluding the city's 15.68 sq km of water area) is approximately 82 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 1,244% larger than The Hague (Den Haag).
Tip: This to-scale comparison of The Hague (Den Haag) vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.