Do not confuse a 3-syllable with a 3-syllable country . For instance:
(Cuba) evokes a sense of rhythm and energy just through its pronunciation. In South America, (Colombia) and 3 syllable country capital cities
This structure provides a sense of completeness. A one-syllable name (like Bern or Rome) is punchy but stark. A five-syllable name (like Montevideo or Ouagadougou) is a mouthful, requiring effort to enunciate. The three-syllable capital city sits in the "Goldilocks zone" of nomenclature: complex enough to be distinct, but simple enough to be memorable. Do not confuse a 3-syllable with a 3-syllable country