Depends on the country. Most people in the eurozone use "10 €", not "€10". However, when adding SI prefixes most people would append the prefix to the amount, r

Depends on the country. Most people in the eurozone use "10 €", not "€10". However, when adding SI prefixes most people would append the prefix to the amount, rather than prepending it to the unit e.g. "100k €".