The smallest country in the world by land area is Vatican City, covering just 0.49 square kilometers (49 hectares). Located within Rome, Italy, it serves as the spiritual and administrative¹ center of the Roman Catholic Church and the residence of the Pope. With a population of around 800, it maintains independent governance and diplomacy². Though tiny, its global influence is significant, supported by tourism, stamp sales, and donations.

世界上国土面积最小的国家是梵蒂冈城国（Vatican City），其面积仅为0.49平方公里（约49公顷），位于意大利罗马市内。作为天主教教廷所在地，它是全球天主教的中心，也是教皇的居住地。梵蒂冈的人口约800人，拥有独立的政治、外交和文化体系，但其经济依赖旅游业、邮票销售和信徒捐赠。尽管微小，它在国际事务中具有重要影响力。