Ngerulmud, Republic of Palau, an island nation in the Pacific Ocean with the population of 391

St. Peter’s square, Vatican city, Vatican City, Italy with the population of 826

Yaren, Republic of Nauru, an island country in Micronesia, with the population of 1,100

San Marino, Republic of San Marino, with the population of 4,044

Funafuti, Tuvalu, with the population of 4,492

Vaduz, Liechtenstein, with the population of 5,521

Valletta, Malta, with the population of 6,444

Saint George´s, Grenada island, with the population of 7,500

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