You can restrict ad impressions in the player regionally. Just configure the geolocation plugin and specify the country codes for which ads are allowed or prohibited in the settings of each advertising campaign.
In this example, the pre-roll is allowed only in Uganda and Honduras. A list of all ISO-1366-1 country codes can be found in Wikipedia. If you want to prohibit impressions in certain countries, enter codes with the NO_ prefix.
If you enable ads directly in the player code, enter the country codes in square brackets as follows:
This plugin is available in the full PRO version of the builder.