azurecurve

Allows a 16×16 flag to be displayed in a post of page using a [flag] shortcode.
Format of shortcode is [flag=gb] to display the flag of the United Kingdom of Great Britain and Northern Ireland; 247 flags are included.
Defintion of flags can be found at Wikipedia page ISO 3166-1 alpha-2: https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2

azurecurve Flags

Allows a 16x16 flag to be displayed in a post or page using a shortcode.

benwatsonuk

Using ‘WP Places I Have Been’, you can manage a list of the countries that you have visited and display the relevant flags on your WordPress site.
The plugin features an easy interface to add the countries that you have visited and a number of configurable display options to best suit your layout.

WP Places I Have Been

An easy way to display the flags of the countries that you have visited on your Wordpress site.

azurecurve Flags vs WP Places I Have Been