<script>
document.addEventListener("DOMContentLoaded", function () {
const userLocale = navigator.languages && navigator.languages.length
? navigator.languages[0]
: navigator.language;
if(userLocale.startsWith("en-")) {
document.getElementById("block-id").style.display = "none";
}
});
</script>
Note: block-id
needs to be replaced with your block id and the en-
prefix needs to be replaced with the locale prefix you need to hide the block for.