I’m not sure what “gvo navi” refers to—possible interpretations include a product/brand name, an acronym, a ship or vehicle name, a typo, or a term in another language. I’ll assume you want a robust, informative account covering plausible meanings and how to investigate further. Below I provide concise, structured sections: likely interpretations, how to confirm which is correct, key information to look for, resources and next steps.
Ваш город