Specific Rules #4 for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Names for cities and countries not in English

Use the English form for names of cities and countries if possible. However, the name as 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 2: Books

Related:

General Rules for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style

Specific Rules #1 for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Abbreviations in affiliations

Specific Rules #2 for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: E-mail address included

Specific Rules #3 for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Organizational names for affiliations not in English

Specific Rules #4 for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Names for cities and countries not in English

Examples for Author Affiliation (optional) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style