Specific Rules #4 for Author Affiliation (optional) to Citing Entire Reports Vancouver Style: Names for cities and countries not in English

Use the English form for names of cities and countries whenever possible. However, the name found on the publication may always be used.

Moskva becomes Moscow

Wien becomes Vienna

Italia becomes Italy

Espana becomes Spain

Según:

Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition. Chapter 4: Scientific and Technical Reports

Related:

General Rules for Author Affiliation (optional) to Citing Entire Reports Vancouver Style

Specific Rules #1: E-mail address given

Specific Rules #2: Abbreviations in affiliations

Specific Rules #3: Organizational names for affiliations not in English

Specific Rules #4: Names for cities and countries not in English

Specific Rules #5: Authors from more than one organization

Examples for Author Affiliation (optional) to Citing Entire Reports Vancouver Style