Prince Edward Island (Canada) is 2.3 times larger than Dongguan (China).
Area: 5,660 km2 StatCan
Population: 140,204 (May 2020) StatCan
Prince Edward Island is a Canadian province consisting of the main island itself, as well as other islands. It is one of the three Maritime provinces and is the smallest province in both land area and population. Wikipedia
Area: 2,456 km2 calculated
Population: 6,445,777 (2000)
Dongguan is a prefecture-level city in central Guangdong province, People's Republic of China. Wikipedia